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A206865
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Number of n X n 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically
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0
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2, 16, 211, 7675, 728935, 159327093, 90497940567, 125050630010443, 420541855354109634, 3548467633453651525361, 73505549006944543732634211, 3751209136697289848938709033475
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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..0..1....0..1..1..0....1..1..0..0....0..0..1..0....0..1..0..0
..1..1..0..0....1..1..0..0....0..1..1..1....0..0..1..0....1..0..1..1
..1..0..1..0....0..1..0..0....0..1..0..1....1..1..0..0....1..0..0..1
..1..0..0..1....0..1..1..0....1..1..0..1....1..1..0..0....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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