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 A077393 #26 Feb 16 2025 08:32:48 %S A077393 0,0,0,0,0,1,6,80,1995,112225,13893557,3514580130,1696127391214 %N A077393 Number of n-node simple graphs having clique number 6. %C A077393 Also, number of n-node simple graphs having independence number 6. - _Andrew Howroyd_, Oct 31 2017 %H A077393 Keith M. Briggs, <a href="http://keithbriggs.info/cgt.html">Combinatorial Graph Theory</a>. %H A077393 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/CliqueNumber.html">Clique Number</a>. %Y A077393 Column 6 of A263341. %Y A077393 Cf. A052450, A052451, A052452, A052453, A077392, A077394. %K A077393 nonn,more %O A077393 1,7 %A A077393 _Eric W. Weisstein_, Nov 03 2002 %E A077393 a(10) from _Keith Briggs_, Mar 15 2006 %E A077393 a(11) from _Michael Sollami_, Jan 29 2012 %E A077393 a(12) from _Michael Sollami_, Mar 26 2012 %E A077393 a(13) from _Brendan McKay_, May 07 2018