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 A284854 #15 Feb 16 2025 08:33:43 %S A284854 16,393,26705,18843905,4403212671745 %N A284854 Number of independent vertex sets and vertex covers in the n-Keller graph. %H A284854 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/IndependentVertexSet.html">Independent Vertex Set</a> %H A284854 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/KellerGraph.html">Keller Graph</a> %H A284854 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/VertexCover.html">Vertex Cover</a> %Y A284854 Cf. A258935, A290607. %K A284854 nonn,more %O A284854 1,1 %A A284854 _Eric W. Weisstein_, Apr 04 2017 %E A284854 a(5) from _Andrew Howroyd_, Mar 20 2018