Expansion of e.g.f. exp(x^4/(24 * (1 - x)^3)).

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =1a(5) =15a(6) =180a(7) =2100a(8) =25235a(9) =319410a(10) =4299750a(11) =61815600a(12) =950524575a(13) =15633092475a(14) =274749725250