Expansion of e.g.f. (1/(1-x))^exp(x).

Terms

a(0) =1a(1) =1a(2) =4a(3) =18a(4) =102a(5) =695a(6) =5485a(7) =49077a(8) =490308a(9) =5404569a(10) =65106103a(11) =850535477a(12) =11972432846a(13) =180605413001