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 A306283 #19 Feb 16 2025 08:33:55 %S A306283 0,0,52,6378,622868,389969466,82787609160,20666425060328, %T A306283 2903212163753000,1025241126020698238 %N A306283 Number of (undirected) Hamiltonian paths on the 7 X n knight graph. %H A306283 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/HamiltonianPath.html">Hamiltonian Path</a>. %H A306283 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/KnightGraph.html">Knight Graph</a>. %Y A306283 Cf. A169696 (3 X n), A079137 (4 X n), A083386 (5 X n), A306281 (6 X n), this sequence (7 X n). %K A306283 nonn,more %O A306283 1,3 %A A306283 _Seiichi Manyama_, Feb 03 2019 %E A306283 a(8)-a(10) from _Valentin Gubarev_, Dec 23 2024