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A250947
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Number of (5+1)X(n+1) 0..2 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction
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1
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4213, 37477, 289407, 2067987, 13550488, 82716842, 475951361, 2607327593, 13706603051, 69579650721, 342789966169, 1645599770557, 7723376454256, 35535740771330, 160654007541185, 715028979049233, 3138157060272099
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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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FORMULA
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Empirical recurrence of order 60 (see link above)
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EXAMPLE
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Some solutions for n=2
..0..1..0....1..0..2....1..1..0....0..1..0....2..0..1....0..1..0....2..0..1
..0..1..0....0..2..0....1..1..0....0..1..0....2..0..2....1..0..2....1..1..0
..1..0..1....2..0..2....1..1..1....0..1..0....1..1..1....0..1..1....2..0..1
..0..1..0....2..0..2....0..2..0....1..0..1....1..1..1....0..1..1....2..0..1
..1..0..2....2..1..1....0..2..1....0..1..0....1..2..0....1..2..2....2..0..1
..1..0..2....2..1..1....1..1..2....0..1..0....1..2..1....1..2..2....2..1..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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