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 A375869 #12 Sep 01 2024 09:38:53
%S A375869 1,3,24,327,6405,164856,5276523,202365351,9055962270,463552982301,
%T A375869 26725378964169,1714193590625478,121100759112660789,
%U A375869 9344673700445352639,782093803535217656256,70570503124491323693523,6829746633650550406177713,705729134240394228512985960
%N A375869 E.g.f. satisfies A(x) = exp( 3 * (exp(x*A(x)^(2/3)) - 1) ).
%F A375869 E.g.f.: B(x)^3, where B(x) is the e.g.f. of A349598.
%F A375869 a(n) = 3 * Sum_{k=0..n} (2*n+3)^(k-1) * Stirling2(n,k).
%o A375869 (PARI) a(n) = 3*sum(k=0, n, (2*n+3)^(k-1)*stirling(n, k, 2));
%Y A375869 Cf. A349598, A375868.
%Y A375869 Cf. A027710, A370055.
%K A375869 nonn
%O A375869 0,2
%A A375869 _Seiichi Manyama_, Sep 01 2024