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A234623 Numbers of undirected cycles in the n X n knight graph. 3
0, 1, 222, 128769, 959427728 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,3

LINKS

Table of n, a(n) for n=2..6.

Eric Weisstein's World of Mathematics, Graph Cycle

Eric Weisstein's World of Mathematics, Knight Graph

MATHEMATICA

Table[Length[FindCycle[KnightTourGraph[n, n], Infinity, All]], {n, 5}]

CROSSREFS

Sequence in context: A267931 A268017 A267978 * A252956 A163653 A178551

Adjacent sequences:  A234620 A234621 A234622 * A234624 A234625 A234626

KEYWORD

nonn

AUTHOR

Eric W. Weisstein, Dec 28 2013

STATUS

approved

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Last modified October 13 20:38 EDT 2019. Contains 327981 sequences. (Running on oeis4.)