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 A355763 #14 Jul 16 2022 11:49:42
%S A355763 1,1,0,5,-13,207,-1791,28849,-438600,8619291,-181134313,4381744589,
%T A355763 -115439041983,3356162869607,-105668550658100,3600058076291465,
%U A355763 -131618721053773713,5146452228945999699,-214171122214841864975,9454288479242533668837
%N A355763 E.g.f. satisfies A(x)^2 * log(A(x)) = exp(x*A(x)) - 1.
%F A355763 a(n) = Sum_{k=0..n} (n-2*k+1)^(k-1) * Stirling2(n,k).
%o A355763 (PARI) a(n) = sum(k=0, n, (n-2*k+1)^(k-1)*stirling(n, k, 2));
%Y A355763 Cf. A030019, A349588.
%Y A355763 Cf. A349654, A355762.
%K A355763 sign
%O A355763 0,4
%A A355763 _Seiichi Manyama_, Jul 16 2022