Expansion of Product_{k>0} 1/(1 + x^k)^(k*3).

Terms

a(0) =1a(1) =-3a(2) =0a(3) =-1a(4) =15a(5) =-3a(6) =8a(7) =-42a(8) =6a(9) =-83a(10) =81a(11) =-39a(12) =316a(13) =-90a(14) =420a(15) =-603a(16) =363a(17) =-1656a(18) =625a(19) =-2556a(20) =2877a(21) =-2599a(22) =7818a(23) =-3483a(24) =13886a(25) =-11049a(26) =17040a(27) =-31493a(28) =20196a(29) =-63876