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A262916
Number of (n+1)X(7+1) 0..1 arrays with each row divisible by 3 and each column divisible by 7, read as a binary number with top and left being the most significant bits.
0
1, 86, 783, 17333, 1444558, 30497815, 1282949605, 102437680622
OFFSET
1,2
COMMENTS
Column 7 of A262917.
EXAMPLE
Some solutions for n=4
..1..1..0..1..1..0..0..0....0..1..0..0..0..1..0..1....1..0..0..0..0..1..0..0
..0..1..0..1..0..0..0..1....0..0..0..0..0..0..1..1....0..0..0..1..0..0..1..0
..1..1..1..1..1..0..0..1....1..1..1..1..1..1..1..1....1..1..1..1..0..1..1..0
..0..0..1..0..0..0..0..1....1..0..1..1..1..0..1..0....0..1..1..1..0..0..1..0
..1..0..1..0..1..0..0..0....1..1..1..1..1..1..0..0....1..1..1..0..0..1..0..0
CROSSREFS
Cf. A262917.
Sequence in context: A232680 A232678 A272379 * A262331 A128957 A258584
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 04 2015
STATUS
approved