A297060 Number of edge covers in the n X n rook complement graph.

0, 1, 156492, 4578174342382894722697

Offset

1,3

Links

Table of n, a(n) for n=1..4.

Eric Weisstein's World of Mathematics, Edge Cover

Eric Weisstein's World of Mathematics, Rook Complement Graph

Crossrefs

Sequence in context: A341118 A129242 A186605 * A114658 A274364 A258073

Adjacent sequences: A297057 A297058 A297059 * A297061 A297062 A297063

Keyword

nonn,more

Author

Eric W. Weisstein, Dec 24 2017

Extensions

a(4) from Andrew Howroyd, Dec 27 2017

Status

approved