This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A143636 #9 Dec 20 2014 13:47:53
%S A143636 1,1,3,28,413,9216,289111,11925964,624637785,40422282112,
%T A143636 3159287760491,292875271947468,31733363437993285,3969285168539789008,
%U A143636 567118401777735330447,91714059231986721233596
%N A143636 E.g.f. satisfies: A(x) = exp(x*A(((x+1)^5-1)/5)).
%H A143636 Alois P. Heinz, <a href="/A143636/b143636.txt">Table of n, a(n) for n = 0..100</a>
%p A143636 A:= proc(n,k::nonnegint) option remember; if n<=0 or k=0 then 1 else A(n-1,k)(((x+1)^k-1)/k) fi; unapply(convert(series(exp(x*%), x,n+1), polynom), x) end: a:= n-> coeff(A(n,5)(x), x,n)*n!: seq(a(n), n=0..21);
%t A143636 A[n_, k_] := Module[{f}, f[x_] = If[n <= 0 || k == 0, 1, A[n-1, k][((x+1)^k-1)/k]]; Normal[Series[Exp[x*f[x]], { x, 0, n+1}]] /. x -> #]&; a[n_] := Coefficient[A[n, 5][x], x, n]*n!; Table[a[n], {n, 0, 21}] (* _Jean-François Alcover_, Feb 14 2014, after Maple *)
%Y A143636 Cf. 5th column of A143632.
%K A143636 nonn
%O A143636 0,3
%A A143636 _Alois P. Heinz_, Aug 27 2008