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A188745
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Number of n X 7 binary arrays without the pattern 1 1 1 diagonally, vertically or antidiagonally.
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1
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128, 16384, 371641, 20544154, 1127318294, 47325959200, 2307086087740, 111642244016936, 5198138560322655, 247778079713183493, 11784953664767609408, 557503350633218495686, 26469014360403565983659
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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 3 X 7
..0..0..0..0..1..0..1....0..0..0..0..0..1..0....0..0..0..0..0..1..0
..1..1..1..0..1..1..0....1..0..0..0..1..0..1....1..0..1..1..0..0..0
..1..1..1..0..0..0..0....0..0..1..0..0..0..0....1..0..1..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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