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

Terms

a(0) =1a(1) =-1a(2) =1a(3) =-4a(4) =4a(5) =-9a(6) =15a(7) =-22a(8) =37a(9) =-56a(10) =92a(11) =-133a(12) =210a(13) =-310a(14) =466a(15) =-696a(16) =1013a(17) =-1495a(18) =2160a(19) =-3141a(20) =4495a(21) =-6462a(22) =9172a(23) =-13024a(24) =18387a(25) =-25840a(26) =36213a(27) =-50500a(28) =70280a(29) =-97302