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A141243 Number of ways to place non-attacking knights on the n X n board. 0
2, 16, 94, 1365, 55213, 3368146, 394631712, 101693175442, 50929053498909, 48988729226134301, 96325314726538906164, 375615195988659173454092, 2933480442104347575000834468 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

The maximum number of non-attacking knights is given by A030978.

CROSSREFS

Sequence in context: A069440 A000431 A207019 * A163229 A038749 A002699

Adjacent sequences:  A141240 A141241 A141242 * A141244 A141245 A141246

KEYWORD

hard,more,nonn

AUTHOR

Max Alekseyev (maxale(AT)gmail.com), Jun 17 2008

EXTENSIONS

a(8)-a(13) from R. H. Hardin (rhhardin(AT)att.net), Aug 25 2008

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Last modified February 15 07:18 EST 2012. Contains 205702 sequences.