A358870 Number of (undirected) Hamiltonian paths in the graph C_6 X C_n.

3264, 73368, 2172480, 29861820, 560028096, 6632769528, 103075391424, 1156940480232, 16166871906480, 176333810290572, 2300510733948576, 24611138715163572, 306092489935215648, 3227108582232289260, 38755349620705085952, 403867959699992233836, 4722889110592680685152, 48750193590184268147100

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, A358868.

Cf. A358811, A358856.

Sequence in context: A254492 A254485 A253857 * A337792 A251277 A328148

Adjacent sequences: A358867 A358868 A358869 * A358871 A358872 A358873

Keyword

nonn

Author

Seiichi Manyama, Dec 04 2022

Extensions

More terms from Ed Wynn, Jul 07 2023

Status

approved