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 A377497 #6 Oct 30 2024 08:04:47 %S A377497 1,1,15,473,23194,1552084,131908394,13608546720,1652258848656, %T A377497 230829590868312,36477894965606568,6433858542834018240, %U A377497 1252941162992516179776,267027040073238416997024,61819211233387513530840048,15449035083850090935613775808,4145148327496835979697002921216 %N A377497 E.g.f. satisfies A(x) = 1/(1 + A(x)^3 * log(1 - x*A(x)^3)). %F A377497 a(n) = Sum_{k=0..n} (3*n+4*k)!/(3*n+3*k+1)! * |Stirling1(n,k)|. %o A377497 (PARI) a(n) = sum(k=0, n, (3*n+4*k)!/(3*n+3*k+1)!*abs(stirling(n, k, 1))); %Y A377497 Cf. A007840, A367159, A377494. %K A377497 nonn %O A377497 0,3 %A A377497 _Seiichi Manyama_, Oct 30 2024