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A237296
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Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the minimum minus the upper median minus the lower median of every 2X2 subblock equal
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1
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27376, 471588, 9292680, 205544096, 4821666340, 118567856892, 3028672538964, 80031975760432, 2178875438380620, 60875277529034968, 1738325599698857092, 50539757816922267196, 1490872528405462402520, 44489644216177590033816
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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..2..2..1....1..2..0..1..0....0..1..1..1..1....3..3..3..0..2
..1..3..3..3..0....2..3..1..0..1....1..0..0..2..2....2..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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