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A219778
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Number of 7Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 7Xn array
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1
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8, 14, 171, 1745, 17186, 147717, 1163030, 8679368, 61361285, 409680425, 2584132877, 15449166423, 87819951101, 476032198566, 2467679302712, 12268760011126, 58663392681482, 270456263554588, 1205039357307464
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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..0..0....0..0..0....0..0..0....0..0..0....0..0..1....0..0..1
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..1....0..0..0....0..0..0
..0..0..1....0..0..1....1..0..0....1..0..0....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..0....1..0..0....1..0..0....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..0....1..0..0....1..0..1....0..0..1....0..0..0....0..0..1
..0..0..0....0..1..1....1..0..1....1..1..1....1..1..1....0..0..0....1..1..1
..0..1..1....1..1..1....1..1..1....1..1..1....1..1..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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