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 A377693 #11 Nov 04 2024 09:08:31
%S A377693 1,3,27,408,8814,249702,8789946,370639896,18233312640,1025931258264,
%T A377693 65016004033944,4583861319427200,355955157532869552,
%U A377693 30192068409536580336,2777615578746538933392,275502517287785484635520,29308962522270448504338048,3329136621436554585165282048
%N A377693 E.g.f. satisfies A(x) = (1 - log(1 - x) * A(x))^3.
%F A377693 E.g.f.: B(x)^3, where B(x) is the e.g.f. of A367158.
%F A377693 a(n) = 3 * Sum_{k=0..n} (3*k+2)!/(2*k+3)! * |Stirling1(n,k)|.
%o A377693 (PARI) a(n) = 3*sum(k=0, n, (3*k+2)!/(2*k+3)!*abs(stirling(n, k, 1)));
%Y A377693 Cf. A007840, A377692.
%Y A377693 Cf. A367158, A377446.
%K A377693 nonn
%O A377693 0,2
%A A377693 _Seiichi Manyama_, Nov 04 2024