%I A061221
%S A061221 0,0,0,0,1440,5328,47952,72576,81792
%N A061221 Number of tic-tac-toe games won after n plays.
%C A061221 As in chess, a "play" is an action by a single player, a "move" is two 
               contiguous plays by each opponent.
%H A061221 H. Bottomley, <a href="http://www.btinternet.com/~se16/hgb/tictactoe.htm">
               Details</a>
%H A061221 <a href="Sindx_Th.html#TTT">Index entries for sequences related to tic-tac-toe</
               a>
%Y A061221 Sequence in context: A063846 A078095 A157508 this_sequence A023102 A119422 
               A166609
%Y A061221 Adjacent sequences: A061218 A061219 A061220 this_sequence A061222 A061223 
               A061224
%K A061221 fini,full,nonn
%O A061221 1,5
%A A061221 Henry Bottomley, May 31, 2001