A263336 Number of (n+2)X(3+2) 0..2 arrays with each row and column divisible by 13, read as a base-3 number with top and left being the most significant digits.

19, 57, 277, 8983, 86743, 1242727, 24783643, 378987927, 6444087745, 117421871383, 2037242485357, 36477607935307, 667349823883969, 12106674834513597, 222467163304384063, 4127234503116527137, 76478986386387978277

Offset

1,1

Comments

Column 3 of A263337.

Links

R. H. Hardin, Table of n, a(n) for n = 1..27

Example

Some solutions for n=4
..2..2..2..0..0....0..1..2..2..1....1..1..2..1..1....2..1..2..0..1
..1..2..2..1..0....1..1..1..0..0....1..1..2..1..1....1..1..2..1..1
..1..1..1..0..0....1..2..2..1..0....1..0..2..1..2....2..2..2..0..0
..0..0..1..1..1....1..1..1..0..0....1..0..1..0..1....0..2..2..2..0
..1..0..1..0..1....0..1..2..2..1....1..0..1..0..1....1..2..2..1..0
..1..1..2..1..1....0..0..1..1..1....1..1..1..0..0....0..1..2..2..1

Crossrefs

Cf. A263337.

Sequence in context: A341176 A251073 A176413 * A061973 A041702 A041704

Adjacent sequences: A263333 A263334 A263335 * A263337 A263338 A263339

Keyword

nonn

Author

R. H. Hardin, Oct 15 2015

Status

approved