login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A289198 Number of maximal matchings in the n X n rook graph. 2
1, 2, 84, 22368, 84961440, 5429866337280, 7315512116927938560, 235781588994736418036121600, 207456452048917943576497565466624000, 5583211401338046269360238971594326671360000000, 5098207942457032504011606690585598401287135271321600000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..11.

Eric Weisstein's World of Mathematics, Independent Edge Set

Eric Weisstein's World of Mathematics, Matching

Eric Weisstein's World of Mathematics, Maximal Independent Edge Set

Eric Weisstein's World of Mathematics, Rook Graph

CROSSREFS

Cf. A270228, A281433, A289197, A292196.

Sequence in context: A265591 A157063 A288312 * A318128 A181119 A293707

Adjacent sequences:  A289195 A289196 A289197 * A289199 A289200 A289201

KEYWORD

nonn

AUTHOR

Eric W. Weisstein, Jun 28 2017

EXTENSIONS

a(1) changed and a(5)-a(11) from Andrew Howroyd, Oct 05 2017

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 19 18:22 EST 2019. Contains 320327 sequences. (Running on oeis4.)