A262453 Number of (n+3)X(4+3) 0..1 arrays with each row and column divisible by 15, read as a binary number with top and left being the most significant bits.

9, 17, 33, 65, 5961, 17745, 52961, 158337, 21044745, 93470481, 385241633, 1550833729, 89431824201, 541972142417, 2842025111009, 14211894061697, 407897039024649, 3127520768485649, 19675542077584929, 115822243097610305

Offset

1,1

Comments

Column 4 of A262457.

Links

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

Example

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

Crossrefs

Cf. A262457.

Sequence in context: A275543 A111733 A127193 * A197344 A146236 A147279

Adjacent sequences: A262450 A262451 A262452 * A262454 A262455 A262456

Keyword

nonn

Author

R. H. Hardin, Sep 23 2015

Status

approved