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A234624
Number of (undirected) cycles in the n X n rook graph.
5
0, 1, 312, 3228524, 6198979538330, 3366323909717796339009
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OFFSET
1,3
LINKS
Table of n, a(n) for n=1..6.
Eric Weisstein's World of Mathematics,
Graph Cycle
Eric Weisstein's World of Mathematics,
Rook Graph
CROSSREFS
Main diagonal of
A286418
.
Cf.
A269561
,
A096970
.
Sequence in context:
A282792
A008694
A370309
*
A292197
A083972
A045275
Adjacent sequences:
A234621
A234622
A234623
*
A234625
A234626
A234627
KEYWORD
nonn
,
more
AUTHOR
Eric W. Weisstein
, Dec 28 2013
EXTENSIONS
a(6) from
Andrew Howroyd
, May 08 2017
STATUS
approved
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Last modified September 14 16:47 EDT 2024. Contains 375929 sequences. (Running on oeis4.)