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

Terms

a(0) =1a(1) =0a(2) =0a(3) =2a(4) =0a(5) =6a(6) =2a(7) =12a(8) =12a(9) =22a(10) =42a(11) =42a(12) =114a(13) =102a(14) =264a(15) =280a(16) =564a(17) =744a(18) =1186a(19) =1866a(20) =2538a(21) =4380a(22) =5598a(23) =9732a(24) =12602a(25) =20898a(26) =28374a(27) =44048a(28) =63000a(29) =92190