A234624 - OEIS

A234624

Number of (undirected) cycles in the n X n rook graph.

0, 1, 312, 3228524, 6198979538330, 3366323909717796339009 (list; graph; refs; listen; history; text; internal format)

	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: A290181 A282792 A008694 * 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`

Last modified May 25 13:00 EDT 2022. Contains 354071 sequences. (Running on oeis4.)