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 A367199 #11 Nov 10 2023 08:18:55
%S A367199 1,1,8,141,3852,143460,6780642,388851960,26235133992,2036243259648,
%T A367199 178742696099040,17509589369568648,1893647907646728120,
%U A367199 224106838102512869400,28809018473999642686584,3997516614926297143604760,595518793080901690966354368
%N A367199 E.g.f. satisfies A(x) = (1 + x*A(x))^(A(x)^3).
%F A367199 a(n) = Sum_{k=0..n} (n+3*k+1)^(k-1) * Stirling1(n,k).
%o A367199 (PARI) a(n) = sum(k=0, n, (n+3*k+1)^(k-1)*stirling(n, k, 1));
%Y A367199 Cf. A349505, A367157.
%Y A367199 Cf. A162655, A162656.
%Y A367199 Cf. A367200, A367201.
%K A367199 nonn
%O A367199 0,3
%A A367199 _Seiichi Manyama_, Nov 10 2023