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 A216117 #14 Nov 01 2012 13:16:31 %S A216117 1,6,9,4,2,8,3,8,7 %N A216117 Decimal expansion of constant arising in enumeration of pseudo-triangulations. %C A216117 Given on page 11 of Ben-Ner. %H A216117 Moria Ben-Ner, André Schulz, Adam Sheffer. <a href="http://arxiv.org/abs/1210.7126">On Numbers of Pseudo-Triangulations</a>, arXiv:1210.7126v1 [cs.CG], Oct 26 2012. %Y A216117 Cf. A000109. %K A216117 nonn,cons %O A216117 1,2 %A A216117 _Jonathan Vos Post_, Oct 29 2012