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 A242792 #9 Feb 16 2025 08:33:22 %S A242792 1,1,2,6,15,60,273,1769,14836,174111,2810354,62810605 %N A242792 Number of connected bowtie-free graphs on n nodes. %H A242792 Travis Hoppe and Anna Petrone, <a href="https://github.com/thoppe/Encyclopedia-of-Finite-Graphs">Encyclopedia of Finite Graphs</a> %H A242792 F. Hüffner, <a href="https://github.com/falk-hueffner/tinygraph">tinygraph</a>, software for generating integer sequences based on graph properties, version 29e68fa. %H A242792 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ButterflyGraph.html">Bowtie or Butterfly Graph</a> %K A242792 nonn,more %O A242792 1,3 %A A242792 _Travis Hoppe_ and _Anna Petrone_, May 22 2014 %E A242792 a(11)-a(12) added using tinygraph by _Falk Hüffner_, Sep 22 2020