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A236892
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Number of (n+1)X(7+1) 0..2 arrays with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock equal
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1
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111685, 2442897, 35771489, 790250057, 13370261977, 301396769777, 5930319470993, 141764937224521, 3246541228451337, 84193781654924345, 2190201944811939697, 61246019705999878397, 1737948173111148983265
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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..1..2..0..1..2..1..1....0..1..1..1..0..1..1..0....0..2..2..1..2..1..1..2
..1..0..1..1..0..1..0..2....1..2..2..2..1..0..2..1....1..1..1..0..1..2..2..1
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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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