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A237729
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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 of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
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1
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545952, 21521906, 880137130, 38540080508, 1600427032562, 66307015751300, 2784288129137988, 119277634460419988, 4993569990465988482, 208671479670407084520, 8788911888434679753096, 372742399393611061571444
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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..2..2..0..0..2..2....0..1..1..0..1..2..1..1....0..1..0..1..1..0..0..2
..2..2..1..2..1..1..0..2....0..0..0..2..1..2..2..2....1..1..0..0..2..0..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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