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A229371
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Number of nX7 0..2 arrays avoiding 11 horizontally, 22 vertically and 00 antidiagonally
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1
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1224, 93589, 9346997, 911301584, 89084628843, 8710922742428, 851668326534130, 83250606242790579, 8145575543947646167, 796251832574767236498, 77900125870506075981681, 7616537920070292008035552
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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=3
..0..0..0..0..2..2..1....0..0..0..1..0..1..0....0..0..0..1..0..0..1
..1..2..2..2..0..0..0....1..2..1..2..0..2..2....1..2..1..2..1..0..0
..2..0..0..1..2..1..2....0..0..2..1..2..1..0....0..0..0..0..1..2..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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