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A250600
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Number of (n+2)X(7+2) 0..2 arrays with nondecreasing sum of every three consecutive values in every row and column
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2
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1000000000, 125000000000, 15625000000000, 1953125000000000, 83740234375000000, 3590362548828125000, 153936794281005859375, 3379220508056640625000, 74180648592859375000000
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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=1
..0..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0..0
..0..0..0..0..0..0..1..0..0....0..0..0..0..1..0..0..1..2
..1..0..0..1..0..0..1..2..1....0..0..1..2..2..1..2..2..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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