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A282889
Number of directed Hamiltonian cycles on the n X n black bishop graph.
3
0, 8, 1408, 1106016, 27605259264, 3564317860276224, 28463849350128000663552
OFFSET
3,2
LINKS
Eric Weisstein's World of Mathematics, Black Bishop Graph
Eric Weisstein's World of Mathematics, Hamiltonian Cycle
CROSSREFS
Cf. A282890 (numbers of Hamiltonian cycles in an n X n white bishop graph)
Sequence in context: A160103 A283902 A064073 * A225068 A270145 A201492
KEYWORD
nonn,hard,more
AUTHOR
Eric W. Weisstein, Feb 24 2017
EXTENSIONS
a(9) from Andrew Howroyd, May 06 2017
STATUS
approved