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 A387563 #4 Sep 02 2025 09:00:54 %S A387563 1,1,1,324,300407,2572822729,18309814258048,2175521892821642304 %N A387563 Number of matchings in the n X n camel graph. %H A387563 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/CamelGraph.html">Camel Graph</a>. %H A387563 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/IndependentEdgeSet.html">Independent Edge Set</a>. %K A387563 nonn,more,new %O A387563 1,4 %A A387563 _Eric W. Weisstein_, Sep 02 2025