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A237507
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Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the upper 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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5622, 50876, 462206, 4882448, 52177092, 519582770, 5108133318, 52155298022, 537071054554, 5420999342862, 54393533093146, 551833483245856, 5620112241265276, 56889163783976186, 574408442415242094
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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..0..1..0..2....2..0..1..2..1....1..1..1..2..0....0..2..1..0..1
..0..2..2..0..0....1..0..1..2..0....2..0..1..0..2....2..1..2..2..1
..0..2..1..2..1....2..2..1..1..0....1..2..1..1..1....1..0..2..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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