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A208022
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Number of n X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 1 0 1 vertically
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1
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2, 16, 102, 1377, 26845, 955073, 56728924, 5753550295, 985606824420, 287995609933240, 142779868614005475, 120212913507245137971, 171965976593899860842629, 417924073201539457547295084
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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..1....0..1..1..0....0..1..1..0....1..0..1..1....1..0..1..0
..1..0..1..0....1..1..0..0....1..0..1..0....1..0..1..0....1..0..1..1
..1..1..0..0....1..1..0..1....1..0..1..1....1..1..0..0....1..1..1..1
..1..1..0..1....1..1..1..1....0..1..0..1....0..1..0..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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