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A188756
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Number of n X n binary arrays without the pattern 0 0 1 vertically or horizontally
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1
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2, 16, 240, 8024, 532168, 75643222, 23051042448, 15452387615952, 22950235913333896, 76154002726353974190, 566628641478740667189960, 9481314346965748016023712242, 357341446119863197891865122035480
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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
..1..1..1....1..1..1....1..0..0....0..0..0....1..1..0....0..1..0....1..0..0
..0..1..1....0..0..0....0..1..1....1..1..0....0..1..0....1..1..0....1..1..1
..0..1..0....0..0..0....1..0..0....1..0..0....0..0..0....0..1..0....1..0..0
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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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