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 A365755 #10 Sep 18 2023 08:58:55
%S A365755 1,6,52,530,5919,70098,864784,10994490,143042020,1895316632,
%T A365755 25487708844,346976558318,4772478619146,66222166440780,
%U A365755 925880434336320,13030945427540170,184467676431001644,2624828100099166536,37521220349342729680,538573138719587026440
%N A365755 Expansion of (1/x) * Series_Reversion( x*(1-x)/(1+x)^5 ).
%F A365755 a(n) = (1/(n+1)) * Sum_{k=0..n} binomial(n+k,k) * binomial(5*(n+1),n-k).
%o A365755 (PARI) a(n) = sum(k=0, n, binomial(n+k, k)*binomial(5*(n+1), n-k))/(n+1);
%Y A365755 Cf. A000108, A006318, A107111, A263843, A365754.
%Y A365755 Cf. A365753.
%K A365755 nonn
%O A365755 0,2
%A A365755 _Seiichi Manyama_, Sep 18 2023