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A048245 Number of distinct winning tic-tac-toe positions after n plays, up to rotation and reflection. 2
0, 0, 0, 0, 0, 21, 21, 58, 23, 15 (list; graph; refs; listen; history; internal format)
OFFSET

0,6

COMMENTS

As in chess, a "play" is an action by a single player, a "move" is two contiguous plays by each opponent.

LINKS

Index entries for sequences related to tic-tac-toe

CROSSREFS

A008907.

Sequence in context: A151910 A040421 A022355 * A056485 A056475 A165842

Adjacent sequences:  A048242 A048243 A048244 * A048246 A048247 A048248

KEYWORD

fini,full,nonn

AUTHOR

Robert W. Pratt (Rob.Pratt(AT)sas.com)

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Last modified February 16 02:51 EST 2012. Contains 205860 sequences.