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

Terms

a(0) =1a(1) =1a(2) =5a(3) =13a(4) =73a(5) =281a(6) =1741a(7) =8485a(8) =57233a(9) =328753a(10) =2389141a(11) =15539261a(12) =120661465a(13) =866545993a(14) =7140942173a(15) =55667517781a(16) =484124048161