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A308141
Number of (undirected) Hamiltonian paths in the n X n rook graph.
0
0, 4, 756, 11197440, 25328684620800, 14303252551164700262400, 2979637719108524426779310260224000
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
Table of n, a(n) for n=1..7.
Eric Weisstein's World of Mathematics, Hamiltonian Path
Eric Weisstein's World of Mathematics, Rook Graph
FORMULA
a(n) = A096970(n)/2.
CROSSREFS
Cf. A096970.
Sequence in context: A292306 A319943 A181200 * A284813 A306254 A068112
Adjacent sequences: A308138 A308139 A308140 * A308142 A308143 A308144
KEYWORD
nonn,hard,more
AUTHOR
Eric W. Weisstein, May 14 2019
STATUS
approved

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Last modified October 5 01:55 EDT 2024. Contains 376527 sequences.
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