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 A357347 #14 Sep 09 2024 09:34:04
%S A357347 0,1,7,103,2385,75756,3064239,150689953,8729691693,582299930167,
%T A357347 43956280309659,3704637865439380,344825037782332457,
%U A357347 35131983926187957173,3888817094785288023367,464724955485177444101895,59631976064836824117227621,8177487264101392841050876136
%N A357347 E.g.f. satisfies A(x) = (exp(x * exp(A(x))) - 1) * exp(2 * A(x)).
%H A357347 <a href="/index/Res#revert">Index entries for reversions of series</a>
%F A357347 a(n) = Sum_{k=1..n} (n+2*k)^(k-1) * Stirling2(n,k).
%F A357347 E.g.f.: Series_Reversion( exp(-x) * log(1 + x * exp(-2*x)) ). - _Seiichi Manyama_, Sep 09 2024
%o A357347 (PARI) a(n) = sum(k=1, n, (n+2*k)^(k-1)*stirling(n, k, 2));
%Y A357347 Cf. A052888, A357346, A357348, A357424.
%Y A357347 Cf. A355762.
%K A357347 nonn
%O A357347 0,3
%A A357347 _Seiichi Manyama_, Sep 25 2022