A238115 Number of states arising in matrix method for enumerating Hamiltonian cycles on 2n X 2n grid.

1, 6, 32, 182, 1117, 7280, 49625, 349998, 2535077, 18758264

Offset

1,2

Links

Table of n, a(n) for n=1..10.

Ed Wynn, Enumeration of nonisomorphic Hamiltonian cycles on square grid graphs, arXiv preprint arXiv:1402.0545 [math.CO], 2014.

Crossrefs

Cf. A003763, A143246, A209077, A222065, A238116, A238117, A238118.

Sequence in context: A047763 A259621 A026993 * A228959 A302734 A319228

Adjacent sequences: A238112 A238113 A238114 * A238116 A238117 A238118

Keyword

nonn,hard,more

Author

N. J. A. Sloane, Mar 05 2014

Status

approved