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A238143
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Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
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1
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94458, 3817216, 160133604, 6863396252, 292335443616, 12430740302096, 529306438594610, 22541568260503428, 959479531581877652, 40849286077190837310, 1739380607057160297494, 74053634588756994371164
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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..1..1..0..0....2..1..0..0..1....3..1..2..2..0....1..2..0..1..1
..2..0..0..2..3....2..2..3..3..3....2..2..2..2..1....3..3..3..2..3
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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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