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A230466
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Number of n X 5 0..2 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero.
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1
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0, 216, 35052, 3062214, 281740616, 26096227960, 2412390974650, 223089594072370, 20629925261099416, 1907729918140906612, 176415244360852716250, 16313809796506210420328, 1508601933663945808015846
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OFFSET
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1,2
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COMMENTS
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LINKS
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FORMULA
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Empirical recurrence of order 68 (see link above).
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EXAMPLE
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Some solutions for n=3
..0..1..0..2..1....0..2..1..0..2....0..1..2..0..2....0..2..0..1..1
..0..2..2..2..1....1..1..2..1..2....0..2..1..2..1....2..1..2..2..1
..1..2..1..0..1....0..1..0..2..1....2..0..2..1..0....2..0..1..0..2
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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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