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 A243550 #17 May 09 2019 14:52:56 %S A243550 1,1,2,6,15,58,255,1510,10766,94109,945773,10577294 %N A243550 Number of simple connected graphs with n nodes that are planar and have no subgraph isomorphic to the bowtie graph. %H A243550 Travis Hoppe and Anna Petrone, <a href="https://github.com/thoppe/Encyclopedia-of-Finite-Graphs">Encyclopedia of Finite Graphs</a> %H A243550 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 %H A243550 F. Hüffner, <a href="https://github.com/falk-hueffner/tinygraph">tinygraph</a>, software for generating integer sequences based on graph properties, version 9766535. %Y A243550 Cf. A242792 (bowtie free graphs), A003094 (planar graphs). %K A243550 nonn,more %O A243550 1,3 %A A243550 _Travis Hoppe_ and _Anna Petrone_, Jun 06 2014 %E A243550 a(11)-a(12) added using tinygraph by _Falk Hüffner_, May 09 2019