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 A362237 #9 Apr 12 2023 08:05:07
%S A362237 1,1,2,12,84,700,7140,84798,1148448,17508384,296577360,5525645400,
%T A362237 112311096480,2473005981576,58642262698656,1489908226161600,
%U A362237 40377279733096320,1162635170476462080,35446505436393782400,1140734265246337985856,38643098112640927503360
%N A362237 Expansion of e.g.f.: 1/(1 - x/(1-x)^x).
%F A362237 a(n) = n! * Sum_{i=0..n} (-1)^(n-i) * ( Sum_{j=0..n-i} i^j * Stirling1(n-i-j,j)/(n-i-j)! ).
%o A362237 (PARI) my(N=30, x='x+O('x^N)); Vec(serlaplace(1/(1-x/(1-x)^x)))
%Y A362237 Cf. A347726, A362238.
%K A362237 nonn
%O A362237 0,3
%A A362237 _Seiichi Manyama_, Apr 12 2023