A262454 Number of (n+3)X(5+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.

18, 51, 389, 5961, 144930, 463731, 2614661, 77055561, 6435089442, 32786542995, 294557902213, 8124813616073, 467212847293218, 3296705642913459

Offset

1,1

Comments

Column 5 of A262457.

Links

Table of n, a(n) for n=1..14.

Example

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

Crossrefs

Cf. A262457.

Sequence in context: A092068 A093520 A051870 * A175815 A069130 A299071

Adjacent sequences: A262451 A262452 A262453 * A262455 A262456 A262457

Keyword

nonn

Author

R. H. Hardin, Sep 23 2015

Status

approved