A234626 Numbers of undirected cycles in the n-queen graph.

0, 7, 8215, 2080941496, 269529670654115055

Offset

1,2

Links

Table of n, a(n) for n=1..5.

Eric Weisstein's World of Mathematics, Graph Cycle

Eric Weisstein's World of Mathematics, Queen Graph

Crossrefs

Sequence in context: A137693 A247822 A247823 * A201846 A116631 A212937

Adjacent sequences: A234623 A234624 A234625 * A234627 A234628 A234629

Keyword

nonn

Author

Eric W. Weisstein, Dec 28 2013

Status

approved