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A061529 Number of complete games of n X n tic-tac-toe ending in a draw. 4

%I

%S 0,0,46080,8707262054400,9325207163130772193280000,

%T 282114820702333003219864073866838016000000,

%U 519832475166470446526522688211309314023066144499302400000000000

%N Number of complete games of n X n tic-tac-toe ending in a draw.

%H J. Ferry, <a href="http://ladybug.xs4all.nl/arlet/puzzles/solutions/contrib/tictactoe.html">n X n tic-tac-toe</a> (Mathematica programs followed by results)

%H <a href="/index/Th#TTT">Index entries for sequences related to tic-tac-toe</a>

%Y Cf. A061526, A061527, A061528, A061530.

%K nonn

%O 1,3

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

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Last modified October 17 02:45 EDT 2021. Contains 348048 sequences. (Running on oeis4.)