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A263114
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Number of (n+2)X(2+2) 0..1 arrays with each row and column not divisible by 7, read as a binary number with top and left being the most significant bits.
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1
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690, 12295, 186793, 2451774, 32967539, 436704585, 5681806458, 74169569127, 966450565505, 12565068890934, 163422952675987, 2125079662900321, 27626397338646690, 359160833412536727, 4669231561448806233
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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=3
..0..0..0..1....1..0..1..1....0..0..1..1....0..0..0..1....1..0..0..0
..1..1..1..1....1..0..0..1....1..0..0..1....0..1..1..0....0..0..1..0
..1..0..1..0....0..1..0..1....1..1..1..1....1..0..1..1....0..0..0..1
..0..0..1..0....0..1..0..1....1..0..0..1....0..0..1..0....1..0..0..1
..1..1..1..1....1..0..1..0....1..0..0..0....1..0..1..0....0..1..0..0
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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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