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A189777
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Number of nX7 binary arrays without the pattern 1 0 0 1 diagonally, vertically or horizontally
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1
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97, 9409, 912673, 48633913, 2475199422, 112831587094, 5404382625660, 256681706358532, 12454322928575313, 600861626029136589, 29098233597048811000, 1404753215113899124268, 67882068723678010867189
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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 5X7
..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0
..1..1..1..0..0..0..0....0..0..0..0..0..0..0....1..0..1..0..0..0..0
..1..0..1..1..0..0..0....1..1..1..1..1..0..0....1..1..1..0..0..0..0
..1..1..1..0..0..0..0....0..0..0..0..0..0..0....1..0..1..0..0..0..0
..1..1..1..1..0..0..0....1..1..1..0..1..0..0....0..0..0..0..0..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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