Times[Rational[1, 1024], Plus[Times[-3003, Power[x, 13], Plus[c[13, 1], Times[-180, Plus[c[13, 3], Times[-170, Plus[c[13, 5], Times[-152, Plus[c[13, 7], Times[-126, Plus[c[13, 9], Times[-92, c[13, 11]], Times[4600, c[13, 13]]]]]]]]]]]], Times[274560, Power[y, 6], Power[z, 7], Plus[Times[315, c[13, 2]], Times[34272, c[13, 4]], Times[1953504, c[13, 6]], Times[-2, j[13]]]], Times[39936, Power[y, 2], Power[z, 11], Plus[Times[105, c[13, 2]], Times[-1, j[13]]]], Times[-274560, Power[y, 4], Power[z, 9], Plus[Times[140, c[13, 2]], Times[9520, c[13, 4]], Times[-1, j[13]]]], Times[-360360, Power[y, 8], Power[z, 5], Plus[Times[168, c[13, 2]], Times[22848, c[13, 4]], Times[2232576, c[13, 6]], Times[117210240, c[13, 8]], Times[-1, j[13]]]], Times[72072, Power[y, 10], Power[z, 3], Plus[Times[175, c[13, 2]], Times[27200, c[13, 4]], Times[3488400, c[13, 6]], Times[325584000, c[13, 8]], Times[16474550400, c[13, 10]], Times[-1, j[13]]]], Times[-3003, Power[y, 12], z, Plus[Times[180, c[13, 2]], Times[30600, c[13, 4]], Times[4651200, c[13, 6]], Times[586051200, c[13, 8]], Times[53916710400, c[13, 10]], Times[2695835520000, c[13, 12]], Times[-1, j[13]]]], Times[1024, Power[z, 13], j[13]], Times[-93184, y, Power[z, 12], s[13, 1]], Times[1537536, Power[y, 3], Power[z, 10], Plus[s[13, 1], Times[80, s[13, 3]]]], Times[-5765760, Power[y, 5], Power[z, 8], Plus[s[13, 1], Times[120, s[13, 3]], Times[7344, s[13, 5]]]], Times[960960, Power[y, 7], Power[z, 6], Plus[Times[7, s[13, 1]], Times[144, Plus[Times[7, s[13, 3]], Times[714, s[13, 5]], Times[38760, s[13, 7]]]]]], Times[-360360, Power[y, 9], Power[z, 4], Plus[Times[7, s[13, 1]], Times[160, Plus[Times[7, s[13, 3]], Times[306, Plus[Times[3, s[13, 5]], Times[285, s[13, 7]], Times[14630, s[13, 9]]]]]]]], Times[36036, Power[y, 11], Power[z, 2], Plus[Times[7, s[13, 1]], Times[1200, Plus[s[13, 3], Times[51, Plus[Times[3, s[13, 5]], Times[76, Plus[Times[5, s[13, 7]], Times[462, s[13, 9]], Times[23184, s[13, 11]]]]]]]]]], Times[60060, Power[x, 7], Plus[Times[16, Power[z, 6], Plus[Times[7, c[13, 1]], Times[-144, Plus[Times[7, c[13, 3]], Times[-714, c[13, 5]], Times[38760, c[13, 7]]]]]], Times[-24, Power[y, 2], Power[z, 4], Plus[Times[7, c[13, 1]], Times[-146880, Plus[Times[2, c[13, 5]], Times[-475, c[13, 7]], Times[43890, c[13, 9]]]]]], Times[6, Power[y, 4], Power[z, 2], Plus[Times[7, c[13, 1]], Times[720, Plus[c[13, 3], Times[-561, c[13, 5]], Times[19380, Plus[c[13, 7], Times[1386, Plus[c[13, 9], Times[-184, c[13, 11]]]]]]]]]], Times[-1, Power[y, 6], Plus[c[13, 1], Times[180, Plus[c[13, 3], Times[-306, Plus[c[13, 5], Times[152, Plus[c[13, 7], Times[-462, Plus[c[13, 9], Times[92, Plus[c[13, 11], Times[-650, c[13, 13]]]]]]]]]]]]]], Times[288, y, Power[z, 5], Plus[Times[7, s[13, 2]], Times[-1904, s[13, 4]], Times[279072, Plus[s[13, 6], Times[-70, s[13, 8]]]]]], Times[-240, Power[y, 3], Power[z, 3], Plus[Times[7, s[13, 2]], Times[-272, Plus[Times[4, s[13, 4]], Times[513, Plus[s[13, 6], Times[-560, s[13, 8]], Times[70840, s[13, 10]]]]]]]], Times[180, Power[y, 5], z, Plus[s[13, 2], Times[-68, Plus[s[13, 4], Times[684, Plus[s[13, 6], Times[-168, Plus[s[13, 8], Times[253, Plus[s[13, 10], Times[-300, s[13, 12]]]]]]]]]]]]]], Times[-18018, Power[x, 11], Plus[Times[2, Power[z, 2], Plus[Times[-7, c[13, 1]], Times[1200, Plus[c[13, 3], Times[-153, c[13, 5]], Times[3876, Plus[Times[5, c[13, 7]], Times[-462, c[13, 9]], Times[23184, c[13, 11]]]]]]]], Times[Power[y, 2], Plus[c[13, 1], Times[-60, Plus[c[13, 3], Times[510, Plus[c[13, 5], Times[-456, Plus[c[13, 7], Times[-238, c[13, 9]], Times[3864, Plus[Times[9, c[13, 11]], Times[-650, c[13, 13]]]]]]]]]]]], Times[-60, y, z, Plus[s[13, 2], Times[-340, Plus[s[13, 4], Times[-228, Plus[s[13, 6], Times[-168, Plus[s[13, 8], Times[-115, s[13, 10]], Times[6900, s[13, 12]]]]]]]]]]]], Times[-45045, Power[x, 9], Plus[Times[8, Power[z, 4], Plus[Times[7, c[13, 1]], Times[-1120, c[13, 3]], Times[48960, Plus[Times[3, c[13, 5]], Times[95, Plus[Times[-3, c[13, 7]], Times[154, c[13, 9]]]]]]]], Times[-4, Power[y, 2], Power[z, 2], Plus[Times[7, c[13, 1]], Times[-240, Plus[c[13, 3], Times[51, Plus[Times[21, c[13, 5]], Times[-7220, c[13, 7]], Times[175560, Plus[Times[7, c[13, 9]], Times[-552, c[13, 11]]]]]]]]]], Times[Power[y, 4], Plus[c[13, 1], Times[60, Plus[c[13, 3], Times[-986, c[13, 5]], Times[25840, Plus[Times[5, c[13, 7]], Times[1386, Plus[c[13, 9], Times[-460, c[13, 11]], Times[59800, c[13, 13]]]]]]]]]], Times[80, y, Power[z, 3], Plus[Times[7, s[13, 2]], Times[-2176, s[13, 4]], Times[46512, Plus[Times[9, s[13, 6]], Times[280, Plus[Times[-4, s[13, 8]], Times[253, s[13, 10]]]]]]]], Times[-120, Power[y, 3], z, Plus[s[13, 2], Times[-68, Plus[Times[3, s[13, 4]], Times[76, Plus[s[13, 6], Times[-2520, Plus[s[13, 8], Times[-253, s[13, 10]], Times[25300, s[13, 12]]]]]]]]]]]], Times[-91, x, Plus[Times[1024, Power[z, 12], c[13, 1]], Times[-16896, Power[y, 2], Power[z, 10], Plus[c[13, 1], Times[240, c[13, 3]]]], Times[63360, Power[y, 4], Power[z, 8], Plus[c[13, 1], Times[360, Plus[c[13, 3], Times[102, c[13, 5]]]]]], Times[-73920, Power[y, 6], Power[z, 6], Plus[c[13, 1], Times[432, Plus[c[13, 3], Times[170, Plus[c[13, 5], Times[76, c[13, 7]]]]]]]], Times[3960, Power[y, 8], Power[z, 4], Plus[Times[7, c[13, 1]], Times[480, Plus[Times[7, c[13, 3]], Times[1530, Plus[c[13, 5], Times[133, Plus[c[13, 7], Times[66, c[13, 9]]]]]]]]]], Times[-396, Power[y, 10], Power[z, 2], Plus[Times[7, c[13, 1]], Times[3600, Plus[c[13, 3], Times[255, c[13, 5]], Times[9044, Plus[Times[5, c[13, 7]], Times[594, c[13, 9]], Times[36432, c[13, 11]]]]]]]], Times[33, Power[y, 12], Plus[c[13, 1], Times[180, Plus[Times[3, c[13, 3]], Times[850, c[13, 5]], Times[180880, Plus[c[13, 7], Times[18, Plus[Times[9, c[13, 9]], Times[1012, c[13, 11]], Times[59800, c[13, 13]]]]]]]]]], Times[92160, y, Power[z, 11], s[13, 2]], Times[-844800, Power[y, 3], Power[z, 9], Plus[s[13, 2], Times[136, s[13, 4]]]], Times[380160, Power[y, 5], Power[z, 7], Plus[Times[5, s[13, 2]], Times[544, Plus[Times[2, s[13, 4]], Times[171, s[13, 6]]]]]], Times[-190080, Power[y, 7], Power[z, 5], Plus[Times[7, s[13, 2]], Times[272, Plus[Times[7, s[13, 4]], Times[1026, Plus[s[13, 6], Times[70, s[13, 8]]]]]]]], Times[39600, Power[y, 9], Power[z, 3], Plus[Times[7, s[13, 2]], Times[272, Plus[Times[8, s[13, 4]], Times[171, Plus[Times[9, s[13, 6]], Times[1120, s[13, 8]], Times[70840, s[13, 10]]]]]]]], Times[-11880, Power[y, 11], z, Plus[s[13, 2], Times[340, Plus[s[13, 4], Times[228, Plus[s[13, 6], Times[168, Plus[s[13, 8], Times[115, Plus[s[13, 10], Times[60, s[13, 12]]]]]]]]]]]]]], Times[-6006, Power[x, 3], Plus[Times[-256, Power[z, 10], Plus[c[13, 1], Times[-80, c[13, 3]]]], Times[1920, Power[y, 2], Power[z, 8], Plus[c[13, 1], Times[120, Plus[c[13, 3], Times[-306, c[13, 5]]]]]], Times[-3360, Power[y, 4], Power[z, 6], Plus[c[13, 1], Times[240, Plus[c[13, 3], Times[-102, Plus[c[13, 5], Times[380, c[13, 7]]]]]]]], Times[1680, Power[y, 6], Power[z, 4], Plus[c[13, 1], Times[320, Plus[c[13, 3], Times[-43605, Plus[c[13, 7], Times[154, c[13, 9]]]]]]]], Times[-30, Power[y, 8], Power[z, 2], Plus[Times[7, c[13, 1]], Times[240, Plus[Times[11, c[13, 3]], Times[765, Plus[c[13, 5], Times[-532, Plus[c[13, 7], Times[330, c[13, 9]], Times[36432, c[13, 11]]]]]]]]]], Times[3, Power[y, 10], Plus[c[13, 1], Times[60, Plus[Times[7, c[13, 3]], Times[850, c[13, 5]], Times[-180880, Plus[c[13, 7], Times[198, Plus[Times[3, c[13, 9]], Times[644, c[13, 11]], Times[59800, c[13, 13]]]]]]]]]], Times[-12800, y, Power[z, 9], Plus[s[13, 2], Times[-136, s[13, 4]]]], Times[57600, Power[y, 3], Power[z, 7], Plus[s[13, 2], Times[-31008, s[13, 6]]]], Times[-20160, Power[y, 5], Power[z, 5], Plus[Times[3, s[13, 2]], Times[272, Plus[s[13, 4], Times[-342, Plus[s[13, 6], Times[210, s[13, 8]]]]]]]], Times[2400, Power[y, 7], Power[z, 3], Plus[Times[7, s[13, 2]], Times[272, Plus[Times[4, s[13, 4]], Times[-513, Plus[s[13, 6], Times[560, s[13, 8]], Times[70840, s[13, 10]]]]]]]], Times[-900, Power[y, 9], z, Plus[s[13, 2], Times[68, Plus[Times[3, s[13, 4]], Times[-76, Plus[s[13, 6], Times[2520, Plus[s[13, 8], Times[253, Plus[s[13, 10], Times[100, s[13, 12]]]]]]]]]]]]]], Times[-45045, Power[x, 5], Plus[Times[128, Power[z, 8], Plus[c[13, 1], Times[-120, c[13, 3]], Times[7344, c[13, 5]]]], Times[-448, Power[y, 2], Power[z, 6], Plus[c[13, 1], Times[48, Plus[c[13, 3], Times[-918, c[13, 5]], Times[116280, c[13, 7]]]]]], Times[336, Power[y, 4], Power[z, 4], Plus[c[13, 1], Times[160, Plus[c[13, 3], Times[-306, Plus[c[13, 5], Times[95, Plus[c[13, 7], Times[-462, c[13, 9]]]]]]]]]], Times[-56, Power[y, 6], Power[z, 2], Plus[c[13, 1], Times[240, Plus[c[13, 3], Times[-153, Plus[c[13, 5], Times[76, Plus[Times[5, c[13, 7]], Times[-462, Plus[c[13, 9], Times[552, c[13, 11]]]]]]]]]]]], Times[Power[y, 8], Plus[c[13, 1], Times[60, Plus[Times[5, c[13, 3]], Times[-306, Plus[c[13, 5], Times[1064, Plus[c[13, 7], Times[66, Plus[c[13, 9], Times[-276, Plus[Times[3, c[13, 11]], Times[650, c[13, 13]]]]]]]]]]]]]], Times[768, y, Power[z, 7], Plus[Times[5, s[13, 2]], Times[544, Plus[Times[-2, s[13, 4]], Times[171, s[13, 6]]]]]], Times[-2688, Power[y, 3], Power[z, 5], Plus[Times[3, s[13, 2]], Times[-272, Plus[s[13, 4], Times[342, Plus[s[13, 6], Times[-210, s[13, 8]]]]]]]], Times[3360, Power[y, 5], Power[z, 3], Plus[s[13, 2], Times[-46512, Plus[s[13, 6], Times[-42504, s[13, 10]]]]]], Times[-240, Power[y, 7], z, Plus[s[13, 2], Times[68, Plus[s[13, 4], Times[-684, Plus[s[13, 6], Times[168, Plus[s[13, 8], Times[-253, Plus[s[13, 10], Times[300, s[13, 12]]]]]]]]]]]]]], Times[45045, Power[x, 8], Plus[Times[8, Power[z, 5], Plus[Times[168, c[13, 2]], Times[-22848, c[13, 4]], Times[2232576, c[13, 6]], Times[-117210240, c[13, 8]], j[13]]], Times[-8, Power[y, 2], Power[z, 3], Plus[Times[105, c[13, 2]], Times[16320, c[13, 4]], Times[-9069840, c[13, 6]], Times[1758153600, c[13, 8]], Times[-148270953600, c[13, 10]], j[13]]], Times[Power[y, 4], z, Plus[Times[60, c[13, 2]], Times[34680, c[13, 4]], Times[-8372160, c[13, 6]], Times[-586051200, c[13, 8]], Times[593083814400, c[13, 10]], Times[-88962572160000, c[13, 12]], j[13]]], Times[-8, y, Power[z, 4], Plus[Times[7, s[13, 1]], Times[-3360, s[13, 3]], Times[734400, Plus[s[13, 5], Times[-133, Plus[s[13, 7], Times[-66, s[13, 9]]]]]]]], Times[4, Power[y, 3], Power[z, 2], Plus[Times[7, s[13, 1]], Times[-2640, s[13, 3]], Times[183600, Plus[s[13, 5], Times[532, Plus[s[13, 7], Times[-330, s[13, 9]], Times[36432, s[13, 11]]]]]]]], Times[Power[y, 5], Plus[Times[-1, s[13, 1]], Times[60, Plus[Times[5, s[13, 3]], Times[306, Plus[s[13, 5], Times[-1064, Plus[s[13, 7], Times[-66, Plus[s[13, 9], Times[828, s[13, 11]], Times[-179400, s[13, 13]]]]]]]]]]]]]], Times[3003, Power[x, 12], Plus[Times[z, Plus[Times[180, c[13, 2]], Times[-30600, c[13, 4]], Times[4651200, c[13, 6]], Times[-586051200, c[13, 8]], Times[53916710400, c[13, 10]], Times[-2695835520000, c[13, 12]], j[13]]], Times[-1, y, s[13, 1]], Times[180, y, Plus[Times[3, s[13, 3]], Times[-850, s[13, 5]], Times[180880, Plus[s[13, 7], Times[-18, Plus[Times[9, s[13, 9]], Times[-1012, s[13, 11]], Times[59800, s[13, 13]]]]]]]]]], Times[-18018, Power[x, 10], Plus[Times[4, Power[z, 3], Plus[Times[175, c[13, 2]], Times[-27200, c[13, 4]], Times[3488400, c[13, 6]], Times[-325584000, c[13, 8]], Times[16474550400, c[13, 10]], j[13]]], Times[-1, Power[y, 2], z, Plus[Times[120, c[13, 2]], Times[10200, c[13, 4]], Times[-9302400, c[13, 6]], Times[2539555200, c[13, 8]], Times[-395389209600, c[13, 10]], Times[29654190720000, c[13, 12]], j[13]]], Times[-2, y, Power[z, 2], Plus[Times[7, s[13, 1]], Times[-3600, Plus[s[13, 3], Times[-255, s[13, 5]], Times[9044, Plus[Times[5, s[13, 7]], Times[-594, s[13, 9]], Times[36432, s[13, 11]]]]]]]], Times[Power[y, 3], Plus[s[13, 1], Times[-420, s[13, 3]], Times[10200, Plus[Times[5, s[13, 5]], Times[1064, Plus[s[13, 7], Times[-198, Plus[Times[3, s[13, 9]], Times[-644, s[13, 11]], Times[59800, s[13, 13]]]]]]]]]]]], Times[-3003, Power[y, 13], Plus[s[13, 1], Times[180, Plus[s[13, 3], Times[170, Plus[s[13, 5], Times[152, Plus[s[13, 7], Times[126, Plus[s[13, 9], Times[92, Plus[s[13, 11], Times[50, s[13, 13]]]]]]]]]]]]]], Times[-2145, Power[x, 4], Plus[Times[-336, Power[y, 6], Power[z, 3], Plus[Times[35, c[13, 2]], Times[-38080, c[13, 4]], Times[-4883760, c[13, 6]], Times[1367452800, c[13, 8]], Times[345965558400, c[13, 10]], Times[-1, j[13]]]], Times[21, Power[y, 8], z, Plus[Times[60, c[13, 2]], Times[-34680, c[13, 4]], Times[-8372160, c[13, 6]], Times[586051200, c[13, 8]], Times[593083814400, c[13, 10]], Times[88962572160000, c[13, 12]], Times[-1, j[13]]]], Times[-128, Power[z, 9], Plus[Times[140, c[13, 2]], Times[-9520, c[13, 4]], j[13]]], Times[-1008, Power[y, 4], Power[z, 5], Plus[Times[38080, c[13, 4]], Times[-1367452800, c[13, 8]], j[13]]], Times[384, Power[y, 2], Power[z, 7], Plus[Times[105, c[13, 2]], Times[57120, c[13, 4]], Times[-9767520, c[13, 6]], Times[2, j[13]]]], Times[2688, y, Power[z, 8], Plus[s[13, 1], Times[-360, Plus[s[13, 3], Times[-102, s[13, 5]]]]]], Times[-9408, Power[y, 3], Power[z, 6], Plus[s[13, 1], Times[-240, Plus[s[13, 3], Times[102, Plus[s[13, 5], Times[-380, s[13, 7]]]]]]]], Times[7056, Power[y, 5], Power[z, 4], Plus[s[13, 1], Times[-160, Plus[s[13, 3], Times[306, Plus[s[13, 5], Times[-95, Plus[s[13, 7], Times[462, s[13, 9]]]]]]]]]], Times[-168, Power[y, 7], Power[z, 2], Plus[Times[7, s[13, 1]], Times[-720, Plus[s[13, 3], Times[561, s[13, 5]], Times[19380, Plus[s[13, 7], Times[-1386, Plus[s[13, 9], Times[184, s[13, 11]]]]]]]]]], Times[21, Power[y, 9], Plus[s[13, 1], Times[-60, Plus[s[13, 3], Times[986, s[13, 5]], Times[25840, Plus[Times[5, s[13, 7]], Times[-1386, Plus[s[13, 9], Times[460, Plus[s[13, 11], Times[130, s[13, 13]]]]]]]]]]]]]], Times[-78, Power[x, 2], Plus[Times[18480, Power[y, 6], Power[z, 5], Plus[Times[84, c[13, 2]], Times[-22848, c[13, 4]], Times[-7814016, c[13, 6]], Times[-820471680, c[13, 8]], Times[-1, j[13]]]], Times[-4620, Power[y, 8], Power[z, 3], Plus[Times[105, c[13, 2]], Times[-16320, c[13, 4]], Times[-9069840, c[13, 6]], Times[-1758153600, c[13, 8]], Times[-148270953600, c[13, 10]], Times[-1, j[13]]]], Times[231, Power[y, 10], z, Plus[Times[120, c[13, 2]], Times[-10200, c[13, 4]], Times[-9302400, c[13, 6]], Times[-2539555200, c[13, 8]], Times[-395389209600, c[13, 10]], Times[-29654190720000, c[13, 12]], Times[-1, j[13]]]], Times[512, Power[z, 11], Plus[Times[105, c[13, 2]], j[13]]], Times[-7040, Power[y, 2], Power[z, 9], Plus[Times[28560, c[13, 4]], j[13]]], Times[-10560, Power[y, 4], Power[z, 7], Plus[Times[105, c[13, 2]], Times[-2, Plus[Times[28560, c[13, 4]], Times[4883760, c[13, 6]], j[13]]]]], Times[-19712, y, Power[z, 10], Plus[s[13, 1], Times[-240, s[13, 3]]]], Times[147840, Power[y, 3], Power[z, 8], Plus[s[13, 1], Times[-120, Plus[s[13, 3], Times[306, s[13, 5]]]]]], Times[-258720, Power[y, 5], Power[z, 6], Plus[s[13, 1], Times[-48, Plus[s[13, 3], Times[306, Plus[Times[3, s[13, 5]], Times[380, s[13, 7]]]]]]]], Times[18480, Power[y, 7], Power[z, 4], Plus[Times[7, s[13, 1]], Times[-146880, Plus[Times[2, s[13, 5]], Times[95, Plus[Times[5, s[13, 7]], Times[462, s[13, 9]]]]]]]], Times[-2310, Power[y, 9], Power[z, 2], Plus[Times[7, s[13, 1]], Times[240, Plus[s[13, 3], Times[-51, Plus[Times[21, s[13, 5]], Times[380, Plus[Times[19, s[13, 7]], Times[462, Plus[Times[7, s[13, 9]], Times[552, s[13, 11]]]]]]]]]]]], Times[231, Power[y, 11], Plus[s[13, 1], Times[60, Plus[s[13, 3], Times[-510, Plus[s[13, 5], Times[456, Plus[s[13, 7], Times[238, s[13, 9]], Times[3864, Plus[Times[9, s[13, 11]], Times[650, s[13, 13]]]]]]]]]]]]]], Times[-8580, Power[x, 6], Plus[Times[-168, Power[y, 2], Power[z, 5], Plus[Times[84, c[13, 2]], Times[22848, c[13, 4]], Times[-7814016, c[13, 6]], Times[820471680, c[13, 8]], j[13]]], Times[84, Power[y, 4], Power[z, 3], Plus[Times[35, c[13, 2]], Times[38080, c[13, 4]], Times[-4883760, c[13, 6]], Times[-1367452800, c[13, 8]], Times[345965558400, c[13, 10]], j[13]]], Times[-7, Power[y, 6], z, Plus[Times[42840, c[13, 4]], Times[-2461415040, c[13, 8]], Times[124547601024000, c[13, 12]], j[13]]], Times[32, Power[z, 7], Plus[Times[315, c[13, 2]], Times[2, Plus[Times[-17136, c[13, 4]], Times[976752, c[13, 6]], j[13]]]]], Times[-784, y, Power[z, 6], Plus[s[13, 1], Times[-432, Plus[s[13, 3], Times[-170, Plus[s[13, 5], Times[-76, s[13, 7]]]]]]]], Times[1176, Power[y, 3], Power[z, 4], Plus[s[13, 1], Times[-320, Plus[s[13, 3], Times[-43605, Plus[s[13, 7], Times[-154, s[13, 9]]]]]]]], Times[-294, Power[y, 5], Power[z, 2], Plus[s[13, 1], Times[-240, Plus[s[13, 3], Times[153, Plus[s[13, 5], Times[-76, Plus[Times[5, s[13, 7]], Times[462, Plus[s[13, 9], Times[-552, s[13, 11]]]]]]]]]]]], Times[7, Power[y, 7], Plus[s[13, 1], Times[-180, Plus[s[13, 3], Times[306, Plus[s[13, 5], Times[-152, Plus[s[13, 7], Times[462, Plus[s[13, 9], Times[-92, Plus[s[13, 11], Times[650, s[13, 13]]]]]]]]]]]]]]]]]]