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 A376036 #13 Sep 08 2024 13:47:41 %S A376036 0,1,9,190,6435,301126,18007161,1311752590,112703870439, %T A376036 11158543451926,1250964512674533,156642117419304958, %U A376036 21668625406445359227,3281750147124057118966,540094007004476783547825,95975344500184607391266734,18314947854834472094038237647 %N A376036 E.g.f. satisfies A(x) = (exp(x / (1 - A(x))^3) - 1) / (1 - A(x)). %H A376036 <a href="/index/Res#revert">Index entries for reversions of series</a> %F A376036 a(n) = Sum_{k=1..n} (3*n+2*k-2)!/(3*n+k-1)! * Stirling2(n,k). %F A376036 E.g.f.: Series_Reversion( (1 - x)^3 * log(1 + x * (1 - x)) ). %o A376036 (PARI) a(n) = sum(k=1, n, (3*n+2*k-2)!/(3*n+k-1)!*stirling(n, k, 2)); %Y A376036 Cf. A274265, A376034, A376035. %Y A376036 Cf. A371329, A376037. %K A376036 nonn %O A376036 0,3 %A A376036 _Seiichi Manyama_, Sep 07 2024