Expansion of Jacobi sn(x, 1/2) / cd(x, 1/2).

Terms

a(0) =0a(1) =1a(2) =0a(3) =0a(4) =0a(5) =12a(6) =0a(7) =0a(8) =0a(9) =3024a(10) =0a(11) =0a(12) =0a(13) =4390848a(14) =0a(15) =0a(16) =0a(17) =21224560896a(18) =0a(19) =0a(20) =0a(22) =0a(23) =0a(24) =0a(26) =0a(27) =0a(28) =0a(30) =0a(31) =0a(32) =0