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 A357351 #16 Sep 10 2024 04:18:34
%S A357351 0,1,7,119,3186,117204,5493672,313159146,21032534856,1626654909168,
%T A357351 142381874412000,13915051276560048,1501957674420194736,
%U A357351 177456652252068578544,22779601954164759020184,3156967397734735846493880,469790199951668305705905408
%N A357351 E.g.f. satisfies A(x) = log(1 + x * exp(A(x))) * exp(3 * A(x)).
%H A357351 Seiichi Manyama, <a href="/A357351/b357351.txt">Table of n, a(n) for n = 0..324</a>
%H A357351 <a href="/index/Res#revert">Index entries for reversions of series</a>
%F A357351 a(n) = Sum_{k=1..n} (n+3*k)^(k-1) * Stirling1(n,k).
%F A357351 E.g.f.: Series_Reversion( exp(-x) * (exp(x * exp(-3*x)) - 1) ). - _Seiichi Manyama_, Sep 10 2024
%o A357351 (PARI) a(n) = sum(k=1, n, (n+3*k)^(k-1)*stirling(n, k, 1));
%Y A357351 Cf. A357349, A357350, A357423.
%K A357351 nonn
%O A357351 0,3
%A A357351 _Seiichi Manyama_, Sep 25 2022