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A061530 Number of complete "rational" games of n X n tic-tac-toe: for n > 2 these are games that are a theoretical draw after each move. 4
1, 24, 3584, 3848888994048 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
J. Ferry, n X n tic-tac-toe (Mathematica programs followed by results)
CROSSREFS
Sequence in context: A159681 A275569 A071639 * A275637 A223123 A278651
KEYWORD
hard,nonn
AUTHOR
Jim Ferry (jferry(AT)alum.mit.edu), May 04 2001
STATUS
approved

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Last modified July 9 12:58 EDT 2024. Contains 374186 sequences. (Running on oeis4.)