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A187936
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Number of (n+2)X7 binary arrays with every 2X2 subblock sum equal to some diagonal or antidiagonal neighbor 2X2 subblock sum
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0
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3188, 14308, 435194, 7443374, 167909728, 3490809390, 75359054474, 1600390024874, 34388021244382, 736688645134204, 15821989912283976, 339477706692286110
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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 4X7
..0..0..0..1..1..0..1....1..1..1..0..1..1..0....1..0..1..0..0..0..0
..0..1..0..1..0..1..1....0..1..0..1..0..1..0....0..1..1..1..1..1..1
..0..0..0..0..1..1..1....1..1..1..1..0..1..1....0..0..0..1..0..0..0
..1..0..1..1..1..1..0....0..1..0..0..1..0..0....1..1..0..1..1..1..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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