%I #4 Jul 10 2011 18:21:39
%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