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A236736
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Number of (n+1)X(7+1) 0..2 arrays with the upper median minus the lower median of every 2X2 subblock equal
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1
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592001, 55873999, 5366177421, 665661690049, 83786186492615, 11172554269549525, 1491726036815254275, 201367204962156008949, 27176785881977242367861, 3675334145327229021458213
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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..1..1..2..1..2..2....0..1..1..1..1..1..0..1....0..0..1..0..1..2..1..2
..1..1..0..0..0..2..1..1....1..1..2..1..0..1..1..2....0..0..0..0..0..1..0..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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