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A181028
Number of n X n binary matrices that are completed draws in n-in-a-row tic-tac-toe, with 0 going first
0
0, 0, 16, 5356, 3126376, 6882462624, 54014711203135
OFFSET
1,3
COMMENTS
Diagonal of A181029
EXAMPLE
Some solutions for 4X4
..0..0..0..1....0..0..0..1....0..0..0..1....0..0..0..1....0..0..0..1
..0..0..0..1....0..0..0..1....0..0..0..1....0..0..0..1....0..0..0..1
..0..1..1..1....1..0..1..1....1..1..1..0....1..1..1..0....1..1..1..0
..1..1..1..0....1..1..1..0....0..1..1..1....1..0..1..1....1..1..0..1
CROSSREFS
Sequence in context: A123280 A289904 A375104 * A258583 A337796 A159403
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 30 2010
STATUS
approved