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A234626 Numbers of undirected cycles in the n-queen graph. 1
0, 7, 8215, 2080941496, 269529670654115055 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..5.

Eric Weisstein's World of Mathematics, Graph Cycle

Eric Weisstein's World of Mathematics, Queen Graph

CROSSREFS

Sequence in context: A137693 A247822 A247823 * A201846 A116631 A212937

Adjacent sequences:  A234623 A234624 A234625 * A234627 A234628 A234629

KEYWORD

nonn

AUTHOR

Eric W. Weisstein, Dec 28 2013

STATUS

approved

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Last modified May 21 03:13 EDT 2022. Contains 353886 sequences. (Running on oeis4.)