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 A243326 #15 Nov 27 2015 00:01:47 %S A243326 0,0,1,2,5,16,58,264,1380,9818 %N A243326 Number of simple connected graphs with n nodes that are triangle-free and not integral. %H A243326 Travis Hoppe and Anna Petrone, <a href="https://github.com/thoppe/Encyclopedia-of-Finite-Graphs">Encyclopedia of Finite Graphs</a> %H A243326 T. Hoppe and A. Petrone, <a href="http://arxiv.org/abs/1408.3644">Integer sequence discovery from small graphs</a>, arXiv preprint arXiv:1408.3644 [math.CO], 2014. %Y A243326 Cf. A241842 (non-integral graphs), A024607 (triangle-free graphs). %K A243326 nonn,more %O A243326 1,4 %A A243326 _Travis Hoppe_ and _Anna Petrone_, Jun 03 2014