A234623 Numbers of undirected cycles in the n X n knight graph.

0, 1, 222, 128769, 959427728, 110346440462642

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