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A207916
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Number of nX6 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 0 and 1 0 1 vertically
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1
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19, 361, 1675, 13759, 86255, 612439, 4105063, 28280693, 192317491, 1315659479, 8974817871, 61305336781, 418503254641, 2857795269701, 19511966375659, 133229220360041, 909670357985593, 6211195191847723, 42409515649083757
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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..0..0..1..0..0....0..1..1..0..0..1....1..1..1..0..0..1
..1..0..0..1..1..0....0..1..1..1..0..0....0..0..1..1..1..1....1..1..0..0..1..0
..1..0..0..1..1..0....0..1..1..1..0..0....1..0..0..1..1..1....1..0..0..1..1..0
..1..1..0..0..1..1....0..1..0..0..1..0....1..1..0..0..1..1....0..0..1..1..0..0
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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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