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

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =5a(5) =5a(6) =5a(7) =5a(8) =15a(9) =24a(10) =24a(11) =24a(12) =44a(13) =80a(14) =80a(15) =80a(16) =131a(17) =221a(18) =266a(19) =266a(20) =386a(21) =566a(22) =746a(23) =746a(24) =990a(25) =1474a(26) =1924a(27) =2089a(28) =2529a(29) =3709