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A207356
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Number of nX6 0..2 arrays avoiding the pattern z+1 z+1 z horizontally and z-1 z-1 z vertically
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1
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523, 273529, 92438519, 30147535858, 9745296760510, 3146529377348628, 1017721314783737845, 329279181493028650609, 106564464913380618795702, 34488953876948088360689832, 11162315714416352433287306901
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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=4
..1..2..1..1..1..1....0..1..2..1..2..0....0..2..2..2..2..2....2..2..2..2..2..2
..0..2..2..2..2..2....0..1..0..2..0..1....2..1..2..0..1..1....1..0..0..1..2..1
..2..2..2..2..2..2....2..0..1..0..0..2....2..1..1..1..1..2....0..1..0..0..2..2
..0..2..1..2..2..2....1..1..2..0..0..1....0..1..1..2..0..2....0..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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