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A237329
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Number of (n+1)X(5+1) 0..2 arrays with the maximum plus the upper median 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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2
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20692, 242644, 2870224, 36921568, 449909120, 5467718444, 67160833084, 873971263352, 10725570823166, 130884937973764, 1618592687351532, 21304964466254580, 262963526810931008, 3219057124873502360
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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..1..2..0..2..0....2..2..0..2..1..1....2..1..2..2..0..1....1..1..2..0..0..0
..2..1..1..1..2..0....0..1..1..0..1..2....2..0..1..2..2..2....0..0..0..0..1..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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