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A236489
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Number of (n+1)X(5+1) 0..2 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise
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1
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167095, 34149421, 6339553813, 1098468030593, 182308906034159, 29352647489506731, 4636588642195617443, 723366272707534050409, 111992223008008443804229, 17257057210291847731653735
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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=1
..0..0..0..0..0..0....0..0..0..2..0..2....1..0..0..0..2..0....1..1..2..0..1..1
..0..0..2..2..1..2....2..2..0..2..1..1....0..0..1..0..2..0....1..0..0..2..2..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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