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 A358853 #21 Feb 16 2025 08:34:04 %S A358853 20,390,2930,23580,145210,1045940,6228730,43322370,260600210, %T A358853 1776654220,10913989610,73525916750,461264468640,3088176680560, %U A358853 19722405442490,131703577902460,853035459491710,5693694272274220,37271158654667390,248902943147007900 %N A358853 Number of Hamiltonian cycles in C_5 X C_n. %H A358853 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/HamiltonianCycle.html">Hamiltonian Cycle</a> %H A358853 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/TorusGridGraph.html">Torus Grid Graph</a> %Y A358853 Row 5 of A270273. %Y A358853 Cf. A222199. %K A358853 nonn %O A358853 2,1 %A A358853 _Seiichi Manyama_, Dec 03 2022 %E A358853 More terms from _Ed Wynn_, Jun 25 2023