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 A076283 #14 Feb 16 2025 08:32:47 %S A076283 0,0,0,0,0,0,1,7,118,4251,393963 %N A076283 Number of 7-chromatic (i.e., chromatic number equals 7) simple graphs on n nodes. %H A076283 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/n-ChromaticGraph.html">n-Chromatic Graph</a> %Y A076283 Column k=7 of A084268. %Y A076283 Cf. A076278, A076279, A076280, A076281, A076282. %K A076283 nonn,more %O A076283 1,8 %A A076283 _Eric W. Weisstein_, Oct 06 2002 %E A076283 a(10)-a(11) from _Michael Sollami_, Jan 28 2012