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 A355765 #11 Jul 16 2022 11:49:34
%S A355765 1,1,-2,5,-27,307,-4403,71353,-1333090,28816647,-709090995,
%T A355765 19516306141,-593330123807,19747569261851,-714304238263502,
%U A355765 27903505800651169,-1170716239531658759,52503701213718494671,-2506483879112555156467,126905975195788734150405
%N A355765 E.g.f. satisfies A(x)^2 * log(A(x)) = 1 - exp(-x*A(x)).
%F A355765 a(n) = Sum_{k=0..n} (-1)^(n-k) * (n-2*k+1)^(k-1) * Stirling2(n,k).
%o A355765 (PARI) a(n) = sum(k=0, n, (-1)^(n-k)*(n-2*k+1)^(k-1)*stirling(n, k, 2));
%Y A355765 Cf. A334986, A349589.
%K A355765 sign
%O A355765 0,3
%A A355765 _Seiichi Manyama_, Jul 16 2022