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 A076326 #10 Feb 16 2025 08:32:47 %S A076326 1,1,2,6,21,112,853,11116,261072,11716406,1006692303 %N A076326 Number of connected 7-colorable (i.e., chromatic number <= 7) simple graphs on n nodes. %H A076326 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/n-ColorableGraph.html">n-Colorable Graph</a> %F A076326 Inverse Euler transform of A076319. - _Andrew Howroyd_, Dec 02 2018 %Y A076326 Cf. A005142, A076322, A076323, A076324, A076325, A076327, A076328. %Y A076326 Cf. A076283, A076319, A084269, A241702. %K A076326 nonn,more %O A076326 1,3 %A A076326 _Eric W. Weisstein_, Oct 06 2002 %E A076326 a(10)-a(11) from _Andrew Howroyd_, Dec 02 2018