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A232367
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Number of nX7 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically
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1
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161, 210039, 175284259, 143280358783, 118759183620445, 98411994699167317, 81520970965131916225, 67530299050002258649463, 55941304797310353761460723, 46341085509706619049355364587, 38388369552787602531231416538489
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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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EXAMPLE
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Some solutions for n=2
..1..2..0..2..1..1..0....0..1..2..1..2..0..1....1..1..2..2..2..2..1
..2..0..1..2..0..2..1....1..2..2..2..1..0..2....2..2..0..1..1..1..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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