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A259296
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Number of (n+1)X(7+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0001 0101 or 0111
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1
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2850, 48002, 688966, 10862998, 165147350, 2569298018, 39630793526, 614892766122, 9520588610288, 147638975405998, 2288282428291294, 35481706382671702, 550094139974674302, 8529516121257973378
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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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FORMULA
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Empirical recurrence of order 72 (see link above)
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EXAMPLE
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Some solutions for n=2
..1..0..0..0..0..0..0..0....1..1..1..1..1..0..1..0....0..1..0..0..1..1..1..0
..0..0..1..0..1..0..1..0....0..1..0..1..0..0..0..1....1..0..0..1..0..1..0..1
..0..1..1..1..1..1..1..1....1..0..1..1..1..0..1..0....0..1..0..0..0..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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