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 A113734 #7 Sep 09 2017 10:31:35 %S A113734 1,2,3,5,11,38,263,5536,690168,1491031071 %N A113734 Maximum value in row n of A113730 when interpreted as a triangle. %Y A113734 Cf. A014644, A113731. %K A113734 nonn,more %O A113734 1,2 %A A113734 _Floor van Lamoen_ and _Paul D. Hanna_, Nov 08 2005