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A207583
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Number of n X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 1 vertically
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1
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2, 16, 60, 432, 3094, 25776, 263550, 3832616, 69396520, 1475600124, 38962584092, 1441585611138, 67002761499928, 3878723937334928, 264400592646069420, 24784751879627310504, 3083505379073129163384, 470186218198870776234068
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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..1..1..0....1..1..0..0....0..1..1..0....1..1..1..1....1..0..1..0
..1..0..1..1....1..0..1..0....1..0..1..0....1..0..1..1....1..1..0..1
..0..1..0..0....0..1..0..0....1..1..0..0....0..1..0..0....0..1..1..0
..1..0..1..0....1..1..1..0....0..1..1..0....0..1..1..0....1..0..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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