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A203964
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Number of (n+1)X8 0..2 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) such that rows of b(i,j) and columns of c(i,j) are lexicographically nondecreasing
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0
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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
..0..1..1..2..1..2..0..1....1..0..2..0..0..2..2..1....0..2..2..2..2..1..2..1
..1..1..1..0..1..0..2..1....0..2..0..2..2..1..1..2....2..1..1..1..1..2..1..2
..2..1..1..2..1..2..1..2....2..0..2..1..1..0..2..1....2..1..1..2..2..1..2..2
..2..1..2..1..2..1..2..1....1..2..1..0..1..1..0..1....1..2..2..0..1..2..1..2
..1..2..1..2..1..2..1..2....1..2..1..1..0..1..2..1....2..2..2..2..1..1..2..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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