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A207934
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Number of n X n 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 0 1 and 1 1 0 vertically
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0
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2, 16, 98, 643, 5594, 58602, 737575, 10609482, 171524786, 3063622641, 59875563176, 1270299719270, 29076260441101, 714274071132328, 18746674985446278, 523589036696879095, 15507197067809135806, 485494086155807224584
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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..1..0....0..0..0..0....1..0..1..1....0..0..0..0....1..1..1..1
..1..1..1..1....0..0..0..0....0..1..0..1....1..0..1..1....1..1..1..1
..1..1..1..1....0..0..0..0....0..1..0..1....0..0..0..0....1..1..1..1
..1..1..1..1....0..0..0..0....0..1..0..1....0..0..0..0....1..1..1..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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