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 A379897 #26 Jan 08 2025 02:41:44
%S A379897 1,2,19,388,12273,528216,28824811,1907463440,148449329825,
%T A379897 13287501321472,1344889039128291,151888157696186880,
%U A379897 18936317798871433681,2583256803370493809664,382764484828432552194875,61215815097927618654693376,10510472883169375744953509697,1928296235410784800904193638400
%N A379897 E.g.f. A(x) satisfies A(x) = 1/(exp(-x*A(x)^3) - x).
%H A379897 Seiichi Manyama, <a href="/A379897/b379897.txt">Table of n, a(n) for n = 0..319</a>
%F A379897 a(n) = n! * Sum_{k=0..n} (n+2*k+1)^(k-1) * binomial(n+2*k+1,n-k)/k!.
%o A379897 (PARI) a(n) = n!*sum(k=0, n, (n+2*k+1)^(k-1)*binomial(n+2*k+1,n-k)/k!);
%Y A379897 Cf. A377893, A379870, A379912.
%Y A379897 Cf. A088690, A379884.
%K A379897 nonn
%O A379897 0,2
%A A379897 _Seiichi Manyama_, Jan 05 2025