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 A306281 #35 Feb 16 2025 08:33:55 %S A306281 0,0,0,744,18784,3318960,389969466,24964893804,1770631206422, %T A306281 143827657320448,10668015492137018,763955912402146956, %U A306281 55382275594728895388,4008456113318585117624,285329658478008271167456,20203324505809248032547768,1425847547641332606081597198,100103728161914529291271962728 %N A306281 Number of (undirected) Hamiltonian paths on the 6 X n knight graph. %H A306281 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/HamiltonianPath.html">Hamiltonian Path</a> %H A306281 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/KnightGraph.html">Knight Graph</a> %Y A306281 Cf. A169696 (3 X n), A079137 (4 X n), A083386 (5 X n), this sequence (6 X n), A306283 (7 X n), A308131 (n X n). %K A306281 nonn %O A306281 1,4 %A A306281 _Seiichi Manyama_, Feb 03 2019 %E A306281 a(8)-a(11) from _Andrew Howroyd_, Oct 14 2019 %E A306281 a(12) from _Valentin Gubarev_, Dec 23 2024 %E A306281 a(13)-a(18) from _Andrew Howroyd_, Dec 26 2024