A213813 Number of Hamiltonian cycles in P_12 X P_n.

0, 1, 32, 9770, 205832, 32463802, 966656134, 102283239429, 3913787773536, 328076475659033, 14746957510647992, 1076226888605605706, 53540340738182687296, 3593066312119675283778, 190433654636776931262392, 12142048779807437697982030, 669350612142203868221516908

Offset

1,3

Links

Huaide Cheng, Table of n, a(n) for n = 1..567 (terms 1..100 from Anand Krishnamoorthi)

Anand Krishnamoorthi, C++ program.

Crossrefs

Row/column 12 of A321172.

Cf. A180505

Sequence in context: A227603 A327130 A231035 * A241369 A004147 A212800

Adjacent sequences: A213810 A213811 A213812 * A213814 A213815 A213816

Keyword

nonn

Author

Anand Krishnamoorthi, Jun 20 2012

Status

approved