A308145 Number of (undirected) Hamiltonian paths in the n-triangular honeycomb bishop graph.

0, 1, 10, 616, 343928, 2121919392, 174560079039104, 223091115545499634688

Offset

1,3

Links

Table of n, a(n) for n=1..8.

Eric Weisstein's World of Mathematics, Hamiltonian Path

Crossrefs

Cf. A290774, A290782, A307931.

Sequence in context: A006441 A042751 A285372 * A159622 A115692 A179889

Adjacent sequences: A308142 A308143 A308144 * A308146 A308147 A308148

Keyword

nonn,more,hard

Author

Eric W. Weisstein, May 14 2019

Extensions

a(8) from Andrew Howroyd, Feb 10 2020

Status

approved