A308146 Number of (undirected) Hamiltonian paths in the n X n white bishop graph.

1, 4, 96, 12256, 32132352, 392007078912, 229067542255136768, 567590310776091831336960

Offset

2,2

Links

Table of n, a(n) for n=2..9.

Eric Weisstein's World of Mathematics, Bishop Graph

Eric Weisstein's World of Mathematics, Hamiltonian Path

Eric Weisstein's World of Mathematics, White Bishop Graph

Formula

a(n) = A234637(n)/2.

Crossrefs

Cf. A234637, A307934.

Sequence in context: A007106 A111637 A027872 * A203517 A146514 A181335

Adjacent sequences: A308143 A308144 A308145 * A308147 A308148 A308149

Keyword

nonn,hard,more

Author

Eric W. Weisstein, May 14 2019

Extensions

Offset corrected by Pontus von Brömssen, Nov 22 2020

Status

approved