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A237095
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Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the lower median minus the upper median of every 2X2 subblock equal
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1
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4783, 66831, 944850, 14756791, 223026701, 3632023790, 56768589375, 943735196093, 15036281517264, 252233217483293, 4064215476420475, 68393558400968160, 1109717372240785381, 18682583733068330209
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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
..1..2..2..2..0....0..0..1..0..0....2..0..0..2..1....2..1..0..2..0
..0..0..1..1..0....1..0..0..2..1....1..2..1..2..1....0..0..2..1..2
..1..2..0..1..1....1..1..0..1..2....2..1..2..0..2....2..1..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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