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A207861
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Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically
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1
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26, 676, 4238, 26569, 279219, 2934369, 24999522, 212984836, 1971051046, 18240933481, 163271339451, 1461412614321, 13258432080828, 120285003372304, 1085258011417172, 9791619223717321, 88545977352385817, 800724571304629609
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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
..0..0..1..1....1..0..1..1....1..1..0..0....0..1..1..1....1..1..1..1
..0..1..1..1....0..1..1..0....0..1..1..0....1..1..1..0....1..1..1..1
..1..1..1..0....0..1..1..0....0..1..1..1....1..1..0..0....1..1..1..0
..1..1..1..0....1..0..0..1....0..0..1..1....1..0..0..1....1..1..1..0
..0..0..1..1....1..0..0..1....1..0..1..1....0..0..1..1....1..0..1..1
..0..0..1..1....1..0..1..1....1..1..0..1....0..1..1..1....1..0..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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