

A061526


Number of complete games of n X n tictactoe.


4



1, 24, 255168, 15038733958272, 12123953291699459229254400, 317158792989363996690190881249911852582400, 550923875790150163780873329493220621458883503713639780465715200
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OFFSET

1,2


COMMENTS

The sequence is bounded above by (n^2)!, the number of games of n X n tictactoe that do not stop when a player wins.


LINKS

Table of n, a(n) for n=1..7.
J. Ferry, n X n tictactoe (Mathematica programs followed by results)
Index entries for sequences related to tictactoe


CROSSREFS

Cf. A008907, A048245, A048246, A061527, A061528, A061529, A061530.
Sequence in context: A289029 A287964 A173172 * A159422 A028371 A013774
Adjacent sequences: A061523 A061524 A061525 * A061527 A061528 A061529


KEYWORD

nonn


AUTHOR

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


STATUS

approved



