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A207923
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Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 1 1 vertically
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1
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2, 16, 72, 576, 7744, 138384, 3773248, 143233024, 7961867964, 694232238436, 87251969161984, 15584659071915024, 4290136697951345984, 1785288592992685527184, 1059504761310616996153800
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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 n=5
..0..0..1..1..1....1..0..0..1..1....1..0..1..1..1....0..0..1..1..1
..0..0..1..1..0....1..0..1..1..0....1..0..0..1..1....0..1..1..0..0
..1..1..0..0..1....0..1..1..0..1....0..1..1..0..0....1..0..0..1..1
..0..0..1..1..0....1..0..0..1..1....0..0..1..1..0....0..0..1..1..1
..1..0..1..1..1....1..1..1..0..0....1..1..0..0..1....1..1..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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