A292195 Number of matchings in the n X n rook complement graph.

1, 4, 370, 2393680, 1813074253296

Offset

1,2

Links

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

Eric Weisstein's World of Mathematics, Independent Edge Set

Eric Weisstein's World of Mathematics, Matching

Eric Weisstein's World of Mathematics, Rook Complement Graph

Crossrefs

Sequence in context: A051181 A326996 A154682 * A154569 A038015 A279525

Adjacent sequences: A292192 A292193 A292194 * A292196 A292197 A292198

Keyword

nonn,more,changed

Author

Eric W. Weisstein, Sep 11 2017

Status

approved