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

Terms

a(0) =1a(1) =1a(2) =0a(3) =0a(4) =4a(5) =4a(6) =0a(7) =0a(8) =6a(9) =15a(10) =9a(11) =0a(12) =4a(13) =40a(14) =36a(15) =0a(16) =17a(17) =71a(18) =90a(19) =36a(20) =64a(21) =100a(22) =180a(23) =144a(24) =96a(25) =274a(26) =394a(27) =300a(28) =148a(29) =740