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A262920 Number of (6+1)X(n+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. 2
19, 61, 1207, 7417, 152587, 1550557, 30497815, 420921961, 7895204299, 126160746301, 2313326012887, 39531526974937, 720265713036427, 12724622932131997, 232102910290030615, 4177632885527495881 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 6 of A262917.
LINKS
FORMULA
Empirical recurrence of order 65 (see link above)
EXAMPLE
Some solutions for n=4
..0..0..0..1..1....0..0..1..1..0....0..0..1..1..0....0..0..0..0..0
..0..0..0..1..1....1..1..1..1..0....1..0..0..1..0....0..1..1..1..1
..0..1..0..0..1....1..1..1..1..0....1..1..0..1..1....0..0..1..1..0
..0..0..0..0..0....1..1..0..1..1....1..1..0..1..1....1..0..0..1..0
..0..1..1..0..0....0..1..1..1..1....0..1..1..1..1....1..0..0..1..0
..0..0..1..1..0....0..1..1..1..1....0..0..1..1..0....1..1..0..1..1
..0..1..1..0..0....0..1..1..0..0....0..0..0..0..0....0..1..1..1..1
CROSSREFS
Cf. A262917.
Sequence in context: A201812 A262317 A214150 * A183455 A183340 A195749
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 04 2015
STATUS
approved

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Last modified May 22 05:07 EDT 2024. Contains 372742 sequences. (Running on oeis4.)