Expansion of Product_{n>0} ((1-x^n)/(1+x^n))^(n^2) in powers of x.

Terms

a(0) =1a(1) =-2a(2) =-6a(3) =-4a(4) =22a(5) =72a(6) =92a(7) =-48a(8) =-522a(9) =-1294a(10) =-1624a(11) =300a(12) =6948a(13) =19032a(14) =30192a(15) =20432a(16) =-45578a(17) =-202788a(18) =-437178a(19) =-599460a(20) =-311112a(21) =1038624a(22) =4023532a(23) =8423280a(24) =11892004a(25) =8429270a(26) =-12073032a(27) =-60747944a(28) =-139842736a(29) =-223644552