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A237781
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Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the upper median plus the minimum 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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1764, 20522, 240288, 2839146, 33540636, 396698708, 4688253896, 55379334708, 654580668296, 7741754622456, 91493734872476, 1080761905629874, 12774590996582056, 151085741499264052, 1785565107362104448
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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=2
..2..1..2....2..3..1....0..1..2....2..2..3....1..0..2....0..0..2....0..3..0
..0..2..3....1..0..1....0..2..3....2..3..2....3..0..1....1..3..2....1..3..2
..3..1..3....3..1..0....2..2..0....0..1..1....2..0..3....0..1..0....2..2..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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