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

Terms

a(0) =1a(1) =1a(2) =5a(3) =19a(4) =97a(5) =641a(6) =4021a(7) =33475a(8) =272609a(9) =2559457a(10) =25926661a(11) =273419411a(12) =3221437825a(13) =38674360609a(14) =506595820277