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

Terms

a(0) =1a(1) =1a(2) =0a(3) =0a(4) =4a(5) =4a(6) =0a(7) =0a(8) =4a(9) =13a(10) =9a(11) =0a(12) =0a(13) =36a(14) =36a(15) =0a(16) =16a(17) =52a(18) =63a(19) =27a(20) =64a(21) =64a(22) =108a(23) =108a(24) =64a(25) =233a(26) =277a(27) =135a(28) =27a(29) =676