Expansion of Product_{n>0} ((1-x^n)/(1+x^n))^n in powers of x.

Terms

a(0) =1a(1) =-2a(2) =-2a(3) =0a(4) =6a(5) =8a(6) =4a(7) =-4a(8) =-18a(9) =-34a(10) =-32a(11) =-8a(12) =36a(13) =96a(14) =144a(15) =152a(16) =94a(17) =-60a(18) =-294a(19) =-560a(20) =-760a(21) =-760a(22) =-460a(23) =228a(24) =1276a(25) =2486a(26) =3576a(27) =4080a(28) =3456a(29) =1304