A358868 Number of (undirected) Hamiltonian paths in the graph C_5 X C_n.

1160, 18240, 287160, 2955700, 29861820, 263890620, 2271291760, 18578622510, 148166461700, 1154270708140, 8816903664840, 66466271481610, 493981029964240, 3639806487902700, 26549365603051040, 192467514066590100, 1385199533746259460, 9923453811044261140, 70715845300102361800

Offset

2,1

Links

Ed Wynn, Table of n, a(n) for n = 2..50

Eric Weisstein's World of Mathematics, Hamiltonian Path

Eric Weisstein's World of Mathematics, Torus Grid Graph

Crossrefs

Cf. A268838, A339797, A339798, A358870.

Cf. A358810, A358853, A358855, A358869.

Sequence in context: A031532 A168248 A237205 * A236814 A152307 A224172

Adjacent sequences: A358865 A358866 A358867 * A358869 A358870 A358871

Keyword

nonn,changed

Author

Seiichi Manyama, Dec 03 2022

Extensions

More terms from Ed Wynn, Jul 07 2023

Status

approved