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 A268283 #18 Feb 16 2025 08:33:30 %S A268283 6,12,32,60,2560 %N A268283 Number of distinct directed Hamiltonian cycles of the Platonic graphs (in the order of tetrahedral, cubical, octahedral, dodecahedral, and icosahedral graph). %C A268283 a(n)/2 is the number of distinct undirected Hamiltonian cycles of the Platonic graph corresponding to a(n). %H A268283 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/TetrahedralGraph.html">Tetrahedral Graph</a> %H A268283 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/CubicalGraph.html">Cubical Graph</a> %H A268283 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/OctahedralGraph.html">Octahedral Graph</a> %H A268283 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/DodecahedralGraph.html">Dodecahedral Graph</a> %H A268283 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/IcosahedralGraph.html">Icosahedral Graph</a> %Y A268283 Cf. A052762 (tetrahedral graph), A140986 (cubical graph), A115400 (octahedral graph), A218513 (dodecahedral graph), A218514 (icosahedral graph). %K A268283 nonn,fini,full %O A268283 1,1 %A A268283 _Melvin Peralta_, Jan 29 2016