Expansion of Product_{k>=1} 1/(1+x^k)^(k^3) in powers of x.

Terms

a(0) =1a(1) =-1a(2) =-7a(3) =-20a(4) =-8a(5) =99a(6) =455a(7) =958a(8) =715a(9) =-3606a(10) =-17450a(11) =-44157a(12) =-61852a(13) =19546a(14) =419786a(15) =1442212a(16) =3084950a(17) =3756436a(18) =-2155907a(19) =-27112107a(20) =-88277693a(21) =-187777531a(22) =-251308697a(23) =-5153980a(24) =1182558343a(25) =4299818445a(26) =9988792754a(27) =16075200671a(28) =12020651310a(29) =-29802956283