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

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

Offset: 2

Author

Eric W. Weisstein, May 14 2019

Keywords

• nonn
• hard
• more

Links

• 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

Crossrefs

Cf. A234637, A307934.

Formula

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

Extensions

Offset corrected by Pontus von Brömssen, Nov 22 2020