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A235448
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Number of (n+1)X(7+1) 0..1 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise
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1
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33544, 4219322, 519099694, 63315473350, 7699719982722, 935263088301396, 113555975474406500, 13785363846787350466, 1673407961412976159218, 203131147623014349473962, 24657443308255446422188572
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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..1..0..1..1..0..0..0....1..1..0..1..1..1..1..1....1..1..0..1..0..0..1..0
..1..1..1..0..1..1..0..1....1..0..1..0..0..0..0..0....1..0..0..0..1..0..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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