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 A377324 #10 Oct 25 2024 09:28:55
%S A377324 1,1,5,52,839,18436,513797,17366224,690366875,31565619916,
%T A377324 1632064968929,94159057903384,5996889060457055,417920884113926740,
%U A377324 31634205840603000221,2584579552124805784672,226699825143636127509347,21247444370267806167804316,2119206766514801966851437113
%N A377324 E.g.f. satisfies A(x) = 1 + (exp(x*A(x)^3) - 1)/A(x).
%F A377324 a(n) = Sum_{k=0..n} (3*n-k)!/(3*n-2*k+1)! * Stirling2(n,k).
%o A377324 (PARI) a(n) = sum(k=0, n, (3*n-k)!/(3*n-2*k+1)!*stirling(n, k, 2));
%Y A377324 Cf. A052752, A367135, A367181, A377328.
%Y A377324 Cf. A367180, A377326.
%K A377324 nonn
%O A377324 0,3
%A A377324 _Seiichi Manyama_, Oct 24 2024