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 A367637 #42 Dec 02 2023 08:12:41
%S A367637 1,1,1,1,1,1,1,2,3,4,5,6,7,9,12,16,21,27,34,43,55,71,92,119,153,196,
%T A367637 251,322,414,533,686,882,1133,1455,1869,2402,3088,3970,5103,6558,8427,
%U A367637 10829,13917,17888,22992,29551,37979,48809,62727,80617,103612,133167
%N A367637 G.f. A(x) satisfies A(x) = 1 / (1 - x * A(x^6)).
%C A367637 This sequence is different from A005708.
%H A367637 Seiichi Manyama, <a href="/A367637/b367637.txt">Table of n, a(n) for n = 0..5000</a>
%F A367637 a(0) = 1; a(n) = Sum_{k=0..floor((n-1)/6)} a(k) * a(n-1-6*k).
%o A367637 (PARI) a_vector(n) = my(v=vector(n+1)); v[1]=1; for(i=1, n, v[i+1]=sum(j=0, (i-1)\6, v[j+1]*v[i-6*j])); v;
%Y A367637 Cf. A000621, A367794, A367800.
%Y A367637 Cf. A005708, A101916.
%K A367637 nonn
%O A367637 0,8
%A A367637 _Seiichi Manyama_, Dec 01 2023