A262754 Number of (n+2)X(3+2) 0..1 arrays with each row divisible by 5 and each column divisible by 7, read as a binary number with top and left being the most significant bits.

7, 17, 49, 319, 1345, 6193, 39751, 229841, 1339569, 8663743, 55835745, 358608881, 2379031207, 15973282577, 107339155889, 729414305599, 4997779808385, 34344305727921, 237112117127431, 1643074583243345, 11416088795366577

Offset

1,1

Comments

Column 3 of A262759.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=4
..0..1..1..1..1....0..1..1..1..1....1..1..1..1..0....0..1..0..1..0
..0..1..1..1..1....0..1..1..1..1....0..0..0..0..0....0..1..1..1..1
..0..1..1..1..1....1..1..1..1..0....0..0..0..0..0....0..1..1..1..1
..1..1..0..0..1....1..0..1..0..0....0..0..0..0..0....0..1..1..1..1
..1..1..0..0..1....1..0..1..0..0....1..1..1..1..0....0..1..0..1..0
..1..1..0..0..1....0..0..1..0..1....1..1..1..1..0....0..1..0..1..0

Crossrefs

Cf. A262759.

Sequence in context: A018672 A221591 A045821 * A115914 A352616 A094534

Adjacent sequences: A262751 A262752 A262753 * A262755 A262756 A262757

Keyword

nonn

Author

R. H. Hardin, Sep 30 2015

Status

approved