Expansion of e.g.f. exp(x * (1 + x^3)^2).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =49a(5) =241a(6) =721a(7) =6721a(8) =124321a(9) =913249a(10) =4243681a(11) =94818241a(12) =1640604241a(13) =14642181841a(14) =131026944049