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A267791
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Number of 5Xn 0..1 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value.
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1
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12, 144, 1728, 14956, 122770, 912667, 6484282, 44116906, 291598056, 1881990170, 11929079568, 74523706754, 460243376586, 2816128573885, 17102667014556, 103235741899301, 620066832024346, 3709209084709809, 22114443898367338
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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
..1..0..1..0....1..0..0..1....0..1..0..0....1..0..0..0....1..0..1..1
..0..1..0..1....1..1..1..0....1..0..0..0....0..1..1..1....0..1..1..0
..1..0..0..0....0..0..0..1....1..1..1..1....0..0..0..0....0..1..0..0
..1..1..1..1....1..1..1..1....0..0..1..0....1..0..1..0....1..0..1..1
..0..1..1..1....0..1..0..0....1..1..0..1....1..1..1..1....0..1..0..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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