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A186834
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Number of (n+2)X5 binary arrays with 3X3 subblock sums nondecreasing rightwards and downwards.
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1
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14112, 147428, 1537476, 15478835, 111211414, 798816802, 5699887192, 32614678623, 186554693948, 1065318863852, 5237351544896, 25736501670853, 126375975163794, 558574172464123, 2467874141143136, 10897815394363554
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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 4X5
..0..1..0..0..1....0..1..1..0..1....0..0..0..1..0....0..0..0..1..1
..0..1..0..1..1....1..0..1..0..0....0..1..1..0..1....1..0..1..1..0
..1..0..1..0..1....0..1..1..1..1....0..0..0..0..0....0..1..0..1..1
..1..0..1..1..1....1..0..1..1..0....0..1..1..0..1....0..0..1..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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