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A219800
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Number of n X 6 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 n X 6 array.
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0
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56, 68, 2949, 43246, 794035, 12642165, 204182570, 3262185744, 51923512311, 803742526337, 11939403815901, 169713252987334, 2325931123371691, 31028886418348831
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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
..3..3..0..0..0..0....0..0..0..0..0..0....1..1..1..1..0..0....2..2..1..1..1..1
..3..3..0..0..0..0....0..0..0..0..0..0....1..0..0..0..0..0....2..2..1..1..1..1
..3..3..3..0..0..0....3..1..1..1..0..0....2..0..0..0..1..1....3..2..2..2..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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