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A278854
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Number of nX7 0..1 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly three mistakes.
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1
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8, 7072, 731444, 44571591, 2167109763, 92891826961, 3637198028018, 131770344218055, 4438698421228261, 139356074010503663, 4085772882929981162, 112111211337670010640, 2886455827088580869876, 69931800720183748326477
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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
..1..0..1..1..1..1..0. .0..1..0..0..0..0..0. .0..1..1..0..1..1..1
..1..0..0..0..0..1..1. .0..0..1..1..0..1..1. .1..0..1..0..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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