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 A113164 #8 Dec 07 2019 00:46:41 %S A113164 1,36,225,400,225,36,1 %N A113164 a(n) = binomial(6, n)^2. %C A113164 The sequence sums to binomial(12, 6). %Y A113164 Cf. A008459, A113162. %K A113164 nonn,easy,fini,full %O A113164 0,2 %A A113164 _Zerinvary Lajos_, Jan 05 2006 %E A113164 Edited by _Don Reble_, Jan 26 2006