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A232148
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Number of nX5 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, diagonally or antidiagonally
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1
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33, 9097, 1345057, 191897041, 28299613241, 4162183572673, 611509764410977, 89867078251266793, 13206967487410509425, 1940884632158817604561, 285231108677152301063361, 41917391964120609870363297
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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 81 (see link above)
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EXAMPLE
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Some solutions for n=2
..2..2..1..1..1....1..2..2..0..2....0..1..0..1..0....2..1..0..2..2
..0..1..1..2..2....2..1..1..2..2....2..2..1..2..2....0..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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