Expansion of Product_{k>=1} ((1 + x^(2*k-1))/(1 + x^(2*k)))^k.

Terms

a(0) =1a(1) =1a(2) =-1a(3) =1a(4) =1a(5) =0a(6) =0a(7) =-2a(8) =5a(9) =0a(10) =-2a(11) =0a(12) =3a(13) =5a(14) =-11a(15) =5a(16) =6a(17) =9a(18) =-17a(19) =-2a(20) =23a(21) =-3a(22) =-11a(23) =-25a(24) =62a(25) =-11a(26) =-27a(27) =-27a(28) =76a(29) =20