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A204226
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Number of (n+1)X5 0..2 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards
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1
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11100, 312001, 8183170, 129062037, 2019310610, 21958547501, 239090847020, 1998393334223, 16732354210738, 114864924928762, 789227515822757, 4651328406696920, 27416959362534398, 143142975020535966
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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=4
..2..1..1..1..2....0..0..2..1..1....2..1..1..1..2....1..2..0..1..1
..0..2..1..2..1....2..0..0..1..2....0..2..2..2..1....0..1..2..2..2
..2..1..1..1..2....0..0..2..2..0....1..2..1..2..2....1..2..0..1..2
..1..1..2..1..2....0..2..0..2..2....1..2..2..2..1....1..1..2..2..2
..1..2..0..2..1....2..2..2..2..2....2..2..1..2..2....2..1..1..1..2
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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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