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A219625
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Number of nX6 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..2 nX6 array
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1
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21, 178, 6637, 231634, 6834071, 172829660, 3863292782, 78707033574, 1486531293773, 26259974129736, 436343046973638, 6852864363413734, 102181393016110488, 1452423119694197264, 19751638780937813473
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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..1..1..1....0..0..0..0..0..1....0..0..0..0..0..1....0..0..1..1..1..1
..0..1..0..1..1..2....0..0..0..1..1..1....0..0..0..0..2..2....0..0..1..0..1..1
..0..0..0..2..0..0....0..0..1..2..0..0....0..0..2..2..0..0....2..0..0..0..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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