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A206992
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Number of nX6 0..1 arrays avoiding 0 0 0 horizontally and 1 1 1 vertically
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1
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44, 1936, 17460, 329952, 5517786, 88819714, 1482397764, 24487141408, 404028674322, 6680807680870, 110384929625108, 1823827049092968, 30138255315895530, 497995973048057786, 8228770269287650676
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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..0..1..1..1..0....0..1..1..1..0..1....0..0..1..1..0..1....0..1..1..1..0..0
..0..1..0..1..1..0....1..0..0..1..1..1....0..1..1..0..1..0....1..0..1..1..1..0
..0..1..1..0..0..1....0..1..0..0..1..0....1..0..0..1..1..0....1..1..0..0..1..1
..0..0..1..1..1..0....0..1..1..1..0..0....0..0..1..0..0..1....0..1..1..1..0..1
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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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