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A266099
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Number of nX6 integer arrays with each element equal to the number of horizontal and antidiagonal neighbors exactly one smaller than itself.
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1
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16, 233, 3846, 52171, 841668, 12401485, 192212829, 2895851074, 44366390231, 672954998752, 10269568494478, 156143709545549, 2379379735679900, 36209116313028044, 551475236102985343, 8394994559793315602
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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 72 (see link above)
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EXAMPLE
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Some solutions for n=4
..0..2..1..2..0..0....1..0..0..1..1..0....1..0..0..0..1..2....1..0..2..1..0..1
..1..0..1..2..0..0....1..2..2..1..0..0....1..1..1..1..1..0....1..1..1..2..1..0
..0..1..1..1..2..0....1..0..2..0..0..1....2..1..0..1..2..1....0..0..0..2..0..1
..1..0..2..1..0..0....0..1..2..1..1..0....2..1..1..0..0..1....0..0..1..1..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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