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 A367181 #15 Nov 10 2023 09:35:10
%S A367181 1,1,3,22,261,4186,85035,2096242,60793257,2028053146,76512294567,
%T A367181 3221179205410,149713378082301,7614267616582810,420634056602820099,
%U A367181 25081994054279063506,1605673188973569254481,109838361160586478627226,7995918540574019507985471
%N A367181 E.g.f. satisfies A(x) = 1 + (exp(x*A(x)^3) - 1)/A(x)^2.
%H A367181 Seiichi Manyama, <a href="/A367181/b367181.txt">Table of n, a(n) for n = 0..362</a>
%F A367181 a(n) = Sum_{k=0..n} (3*n-2*k)!/(3*n-3*k+1)! * Stirling2(n,k).
%o A367181 (PARI) a(n) = sum(k=0, n, (3*n-2*k)!/(3*n-3*k+1)!*stirling(n, k, 2));
%Y A367181 Cf. A000272, A367180.
%Y A367181 Cf. A365546, A367179.
%K A367181 nonn
%O A367181 0,3
%A A367181 _Seiichi Manyama_, Nov 08 2023