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 A366184 #9 Oct 03 2023 09:00:16
%S A366184 1,4,21,163,1487,14697,153226,1659338,18483960,210437161,2437721418,
%T A366184 28640748192,340473075541,4087735789616,49494986770104,
%U A366184 603699827411356,7410709463933414,91484338902961485,1135029142529785303,14145212892466682781,176993823220824229047
%N A366184 G.f. A(x) satisfies A(x) = (1 + x*A(x)^3)/(1 - x)^3.
%F A366184 a(n) = Sum_{k=0..n} binomial(n+8*k+2,n-k) * binomial(3*k,k)/(2*k+1).
%o A366184 (PARI) a(n) = sum(k=0, n, binomial(n+8*k+2, n-k)*binomial(3*k, k)/(2*k+1));
%Y A366184 Cf. A001764, A346626, A364629.
%Y A366184 Cf. A364623, A366182, A366183.
%K A366184 nonn
%O A366184 0,2
%A A366184 _Seiichi Manyama_, Oct 03 2023