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A219170
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Number of nX5 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 nX5 array
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1
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15, 103, 2399, 43013, 602498, 7275277, 80593130, 831309835, 7991092857, 71939079266, 610644584474, 4918787099538, 37785795751722, 277933274570500, 1964256584666302, 13379033454664698, 88056377306979930, 561276655188818601
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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..2....0..0..1..1..1....0..0..0..0..2....0..0..1..0..1
..0..0..0..0..0....0..0..1..1..1....0..0..0..1..1....0..0..0..0..0
..1..1..0..0..0....0..0..2..2..2....1..2..2..1..1....0..1..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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