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A250467
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Number of (n+1)X(7+1) 0..1 arrays with nondecreasing min(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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4757, 166765, 5286723, 169000988, 5383012776, 171499189113, 5462124226322, 173973296060000, 5540978041356450, 176479799763820811, 5620836897672852555, 179022614819921471931, 5701831374514612127139, 181602164443500298033947
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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 67 (see link above)
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EXAMPLE
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Some solutions for n=2
..0..0..0..0..0..1..0..1....0..1..0..0..0..0..0..1....0..0..0..0..0..1..0..0
..1..0..1..0..0..0..0..0....1..0..0..1..0..0..0..1....0..0..1..0..0..0..0..1
..0..1..0..1..0..1..0..0....0..0..1..0..0..1..0..0....1..1..0..0..1..1..0..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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