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A235412
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Number of (n+1)X(7+1) 0..1 arrays with 2X2 subblock sums lexicographically nondecreasing rowwise and nonincreasing columnwise
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0
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3249, 62070, 1623115, 48788187, 1561049902, 48150637857, 1547599117420, 44262446103282, 1328377496969266, 34333220990606470, 936029519726732770, 21814340948244417848
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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=2
..0..0..1..0..1..0..1..0....0..1..0..0..0..1..0..0....0..0..1..1..1..1..0..0
..1..0..0..0..0..0..0..0....1..0..1..1..1..0..0..0....1..1..0..0..0..0..0..0
..0..1..1..1..1..1..1..1....1..1..0..0..0..1..0..0....1..0..1..1..0..1..1..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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