A234624 Number of (undirected) cycles in the n X n rook graph.

0, 1, 312, 3228524, 6198979538330, 3366323909717796339009

Offset: 1

Author

Eric W. Weisstein, Dec 28 2013

Keywords

• nonn
• more

Links

• Eric Weisstein's World of Mathematics, Graph Cycle
• Eric Weisstein's World of Mathematics, Rook Graph

Crossrefs

Main diagonal of A286418.

Cf. A269561, A096970.

Extensions

a(6) from Andrew Howroyd, May 08 2017