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 A387564 #4 Sep 02 2025 09:26:15 %S A387564 4,27,3375,1793613375 %N A387564 Number of matchings in the Dorogovtsev-Goltsev-Mendes graph %H A387564 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Dorogovtsev-Goltsev-MendesGraph.html">Dorogovtsev-Goltsev-Mendes Graph</a>. %H A387564 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/IndependentEdgeSet.html">Independent Edge Set</a>. %K A387564 nonn,more,new %O A387564 1,1 %A A387564 _Eric W. Weisstein_, Sep 02 2025