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A061529 Number of complete games of n X n tic-tac-toe ending in a draw. 4
0, 0, 46080, 8707262054400, 9325207163130772193280000, 282114820702333003219864073866838016000000, 519832475166470446526522688211309314023066144499302400000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..7.

J. Ferry, n X n tic-tac-toe (Mathematica programs followed by results)

Index entries for sequences related to tic-tac-toe

CROSSREFS

Cf. A061526, A061527, A061528, A061530.

Sequence in context: A223368 A061405 * A115939 A168630 A190882 A251278

Adjacent sequences:  A061526 A061527 A061528 * A061530 A061531 A061532

KEYWORD

nonn

AUTHOR

Jim Ferry (jferry(AT)alum.mit.edu), May 04 2001

STATUS

approved

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Last modified January 21 17:43 EST 2019. Contains 319350 sequences. (Running on oeis4.)