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A236871
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Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the upper median minus the lower median of every 2X2 subblock equal
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1
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4131, 46023, 499947, 5913287, 68777909, 826928057, 9850162103, 119172787543, 1434649920667, 17412329016137, 210815312004247, 2564264418734901, 31158752923844559, 379690905863880779, 4625670882160203303
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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
..0..1..0..0..2....1..2..2..2..2....2..2..2..0..0....2..0..2..1..2
..0..2..2..1..0....0..1..2..2..2....2..2..0..0..2....2..2..2..2..2
..0..1..0..0..2....2..1..1..2..2....1..2..2..0..0....2..2..1..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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