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A237374
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Number of (n+1)X(7+1) 0..2 arrays with the maximum plus the upper median plus the lower median plus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
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0
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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
..1..0..2..0..1..0..1..0....1..0..2..0..2..0..0..2....0..2..0..1..2..0..1..1
..0..1..0..2..0..1..1..0....2..1..2..0..1..1..2..0....0..2..1..2..0..2..0..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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