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A250591
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Number of (n+1)X(7+1) 0..2 arrays with nondecreasing max(x(i,j),x(i,j-1)) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction
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1
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110187, 855988, 5284985, 29029369, 145409040, 683598422, 3053953408, 13166219146, 55124490255, 225879886123, 908765970711, 3604876479157, 14125713583330, 54819266674854, 210967778385015, 806534713245176
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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 79 (see link above)
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EXAMPLE
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Some solutions for n=1
..0..0..0..0..1..1..1..2....0..0..0..0..0..0..0..0....0..1..0..0..0..0..0..0
..2..1..0..2..2..1..2..2....1..0..0..2..0..1..2..2....2..0..2..0..1..0..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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