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 A241782 #10 Sep 14 2014 23:15:22 %S A241782 1,1,2,6,20,107,802,10252,232850,9905775 %N A241782 Number of unlabeled, connected graphs on n vertices with no induced subgraph isomorphic to a K_5, where a K_5 is the complete graph on five vertices. %H A241782 Travis Hoppe and Anna Petrone, <a href="https://github.com/thoppe/Encyclopedia-of-Finite-Graphs">Encyclopedia of Finite Graphs</a> %H A241782 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, 2014 %Y A241782 Cf. similar graphs that are K_4 free, A079574. %K A241782 nonn,hard,more %O A241782 1,3 %A A241782 _Travis Hoppe_ and _Anna Petrone_, Apr 28 2014