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 A076319 #10 Feb 16 2025 08:32:47 %S A076319 1,2,4,11,34,156,1044,12345,274659,12004993,1018989417 %N A076319 Number of 7-colorable (i.e., chromatic number <= 7) simple graphs on n nodes. %H A076319 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/n-ColorableGraph.html">n-Colorable Graph</a> %F A076319 a(n) = A076318(n) + A076283(n). - _Andrew Howroyd_, Dec 02 2018 %Y A076319 Cf. A033995, A076283, A076315, A076316, A076317, A076318, A076320, A076321. %K A076319 nonn,more %O A076319 1,2 %A A076319 _Eric W. Weisstein_, Oct 06 2002 %E A076319 a(10)-a(11) from _Andrew Howroyd_, Dec 02 2018