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A235435
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Number of (n+1)X(4+1) 0..2 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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26091, 2616323, 253925273, 23147332121, 2018613731175, 168052583588803, 13459467429347941, 1042223893302389149, 78500563366367695751, 5781409148798361220993, 418319556712142763359239
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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..1..1....0..1..0..1..0....1..0..2..0..1....1..1..0..1..2
..0..1..0..2..0....0..2..1..2..2....0..1..0..1..2....2..2..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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