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A207176
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Number of n X n 0..1 arrays avoiding 0 0 0 horizontally and 0 1 0 vertically
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0
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2, 16, 241, 11227, 1507355, 567046841, 600838995529, 1782395103048207, 14875073639322545780, 349568074576274459361253, 23097327995486146831078764702, 4291548218733300058236161251915163
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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..1....1..1..1..1....1..1..0..1
..1..0..0..1....0..0..1..0....1..0..1..1....1..1..1..1....0..0..1..0
..1..1..1..1....0..0..1..1....0..0..1..1....1..1..1..1....0..1..1..1
..1..1..1..1....1..0..0..1....0..0..1..1....1..1..1..1....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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