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 A377323 #10 Oct 25 2024 09:28:47
%S A377323 1,1,5,53,884,20234,589834,20903700,872660256,41944510752,
%T A377323 2281437791448,138539360885760,9290720296262976,681965664411820944,
%U A377323 54384461861952738528,4682101594725064872768,432815761314471190599936,42757813607285233998385920,4495579313771176952867958528
%N A377323 E.g.f. satisfies A(x) = 1 - log(1 - x*A(x)^3)/A(x).
%F A377323 a(n) = Sum_{k=0..n} (3*n-k)!/(3*n-2*k+1)! * |Stirling1(n,k)|.
%o A377323 (PARI) a(n) = sum(k=0, n, (3*n-k)!/(3*n-2*k+1)!*abs(stirling(n, k, 1)));
%Y A377323 Cf. A365546, A367139, A367152, A377327.
%Y A377323 Cf. A365438, A377325.
%K A377323 nonn
%O A377323 0,3
%A A377323 _Seiichi Manyama_, Oct 24 2024