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A269561
Number of (undirected) Hamiltonian cycles in the n X n rook graph K_n X K_n.
4
1, 48, 284112, 335750676480, 112249362914249932800, 14994936423694913432308324761600
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OFFSET
2,2
LINKS
Table of n, a(n) for n=2..7.
Eric Weisstein's World of Mathematics,
Hamiltonian Cycle
Eric Weisstein's World of Mathematics,
Rook Graph
CROSSREFS
Cf.
A269562
,
A096970
,
A003763
,
A222199
.
Sequence in context:
A282596
A272262
A146204
*
A079234
A051235
A282403
Adjacent sequences:
A269558
A269559
A269560
*
A269562
A269563
A269564
KEYWORD
nonn
,
more
AUTHOR
Andrew Howroyd
, Feb 29 2016
EXTENSIONS
Name adjusted by
Eric W. Weisstein
, May 06 2019
STATUS
approved
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Last modified August 26 22:10 EDT 2024. Contains 375462 sequences. (Running on oeis4.)