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A235429
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Number of (n+1)X(4+1) 0..3 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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344668, 119751976, 44578500538, 15581843596522, 5142104597554476, 1550644780068851532, 431426810362366766936, 111040229583937964889604, 26705433450948373665368290, 6045470974183011960362970648
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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
..2..2..0..3..0....1..0..3..0..3....0..2..0..0..3....1..0..2..0..1
..1..1..2..3..3....1..2..0..1..1....1..3..2..3..2....2..2..1..0..2
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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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