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 A282890 #11 Feb 16 2025 08:33:42 %S A282890 2,8,792,1106016,9403200256,3564317860276224,6552227715472984080384 %N A282890 Number of directed Hamiltonian cycles on the n X n white bishop graph. %H A282890 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/HamiltonianCycle.html">Hamiltonian Cycle</a> %H A282890 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/WhiteBishopGraph.html">White Bishop Graph</a> %Y A282890 Cf. A282889 (number of Hamiltonian cycles in an n X n black bishop graphs) %K A282890 nonn,more,hard %O A282890 3,1 %A A282890 _Eric W. Weisstein_, Feb 24 2017 %E A282890 a(9) from _Andrew Howroyd_, May 06 2017