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 A241712 #19 Feb 18 2023 11:47:27 %S A241712 0,0,0,1,2,11,43,234,1498,11451 %N A241712 Erroneous version of A128241. %C A241712 Number of simple connected graphs with n nodes and girth 4. %C A241712 See A241711 for additional information. %H A241712 Travis Hoppe and Anna Petrone, <a href="https://github.com/thoppe/Encyclopedia-of-Finite-Graphs">Encyclopedia of Finite Graphs</a> %H A241712 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 A241712 Cf. other simple connected graphs of girth k, A241711, A241713, A241714, A241715. %K A241712 dead %O A241712 1,5 %A A241712 _Travis Hoppe_ and _Anna Petrone_, Apr 27 2014