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A207757
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Number of n X n 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 1 and 1 0 1 vertically
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1
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2, 16, 82, 663, 6552, 56651, 887114, 17141340, 265932767, 7838599272, 322656587622, 9334787856534, 545237703029106, 50069011902134767, 2724265960028933880, 333854434181630056441, 70233064417444890074531
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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..1..0..0....0..0..1..0....1..0..0..1....0..0..1..1....0..1..1..0
..0..1..1..0....1..1..1..0....0..1..0..0....1..1..1..0....0..1..0..0
..0..1..0..0....0..0..1..0....0..0..1..0....0..0..1..0....0..1..0..0
..0..1..0..0....0..0..1..0....1..0..0..1....0..0..1..1....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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