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A207889
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Number of 7Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 1 and 1 1 0 vertically
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1
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35, 1225, 2233, 14825, 49586, 119278, 618202, 2332602, 6535778, 28238814, 110355600, 342679500, 1341016198, 5237625812, 17405443410, 64898151922, 250040973048, 867290958802, 3166736891794, 12011520072686, 42745544469774
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OFFSET
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1,1
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COMMENTS
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Row 7 of A207885
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..210
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EXAMPLE
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Some solutions for n=4
..0..1..0..0....1..0..0..1....0..0..1..0....0..0..1..0....1..1..0..0
..0..1..1..1....0..1..1..0....1..0..0..1....1..1..0..0....1..0..0..1
..1..1..0..0....1..0..0..1....0..0..1..0....0..0..1..0....1..1..1..0
..0..1..1..1....0..1..1..0....1..0..0..1....1..0..0..1....1..0..0..1
..0..1..0..0....1..0..0..1....0..1..0..0....0..1..1..0....1..1..1..0
..1..1..0..0....0..0..1..0....1..0..0..1....1..0..0..1....1..0..0..1
..0..1..0..0....0..1..0..0....0..0..1..0....0..1..1..0....1..1..1..0
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CROSSREFS
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Sequence in context: A126158 A200724 A207492 * A208112 A208844 A207665
Adjacent sequences: A207886 A207887 A207888 * A207890 A207891 A207892
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin Feb 21 2012
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STATUS
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approved
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