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A188740
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Number of n X n binary arrays without the pattern 1 1 1 diagonally, vertically or antidiagonally
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0
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2, 16, 292, 17286, 3283906, 1536573216, 2307086087740, 10143499802360135, 123466985032906186049, 4528058434298770108386326, 481947777827695507476795332215, 147455854241909275954639647341005231
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for 3X3
..0..0..0....0..1..1....0..0..0....0..0..0....1..0..0....0..1..0....1..0..0
..1..0..0....1..0..0....0..1..1....1..1..1....0..1..1....0..0..0....0..0..0
..0..0..0....1..0..0....1..1..1....0..0..0....0..0..0....0..1..0....1..1..1
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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