A234623 - OEIS

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A234623

Numbers of undirected cycles in the n X n knight graph.

5

0, 1, 222, 128769, 959427728, 110346440462642

(list; graph; refs; listen; history; text; internal format)

OFFSET

2,3

LINKS

Table of n, a(n) for n=2..7.

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

EXTENSIONS

a(7) from Ed Wynn, Jul 08 2023

STATUS

approved