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 A092868 #10 Feb 16 2025 08:32:53
%S A092868 1,8,424,48896,6672232,1022309408,176808084544,33055112886272,
%T A092868 6507475475389288,1336577286762538496,284198765977135568224,
%U A092868 62135041920796512325952,13901968841738902540019776
%N A092868 Coefficients c[r,n] in Schmidt's problem Sum[Binomial[n,k]^r Binomial[n+k,k]^r,{k,0,n}] == Sum[Binomial[n,k]Binomial[n+k,k]c[r,k],{k,0,n}] for r=4.
%H A092868 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/SchmidtsProblem.html">Schmidt's Problem</a>
%H A092868 Vaclav Kotesovec, <a href="/A092868/a092868.txt">Recurrence (of order 9)</a>
%F A092868 a(n) ~ sqrt(3) * 2^(5*n+6) * 3^(2*n+3) / (17^(5/2) * Pi^3 * n^3). - _Vaclav Kotesovec_, Mar 09 2014
%t A092868 c[4, n_] := Sum[Binomial[2j, j]^3Binomial[n, j]Binomial[k+j, k-j]Binomial[j, n-k]Binomial[k, j]Binomial[2j, k-j], {k, 0, n}, {j, 0, n}]
%Y A092868 Cf. A000172, A000658.
%Y A092868 Fourth row of array A094424.
%K A092868 nonn
%O A092868 0,2
%A A092868 _Eric W. Weisstein_, Mar 08 2004