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 A377447 #9 Oct 29 2024 09:06:48
%S A377447 1,1,9,158,4246,154924,7162292,401410680,26453842848,2004890580840,
%T A377447 171808440737928,16427634731841552,1733913231506623632,
%U A377447 200249346295125726624,25118871041680870112352,3400884689353492497349248,494317826168209713209318400,76773315675375252953433141120
%N A377447 E.g.f. satisfies A(x) = 1/(1 + A(x)^3 * log(1 - x)).
%F A377447 a(n) = Sum_{k=0..n} (4*k)!/(3*k+1)! * |Stirling1(n,k)|.
%o A377447 (PARI) a(n) = sum(k=0, n, (4*k)!/(3*k+1)!*abs(stirling(n, k, 1)));
%Y A377447 Cf. A367158, A377448.
%K A377447 nonn
%O A377447 0,3
%A A377447 _Seiichi Manyama_, Oct 28 2024