A183523 Number of nX6 0..2 arrays with each element equal to either the sum mod 3 of its horizontal and vertical neighbors or the sum mod 3 of its diagonal and antidiagonal neighbors

23, 911, 10003, 201833, 4406933, 89738569, 1908431611

Offset

1,1

Comments

Column 6 of A183526

Links

Table of n, a(n) for n=1..7.

Example

Some solutions for 3X6
..2..1..0..0..2..2....1..1..0..1..0..1....0..2..1..1..0..2....0..2..2..0..1..2
..0..2..0..1..2..1....0..1..1..1..1..0....1..1..2..0..0..2....0..0..0..0..1..1
..2..1..0..0..2..0....1..1..2..1..1..1....1..2..0..2..2..1....0..1..1..0..2..1

Crossrefs

Sequence in context: A217116 A081731 A335496 * A233339 A008961 A232757

Adjacent sequences: A183520 A183521 A183522 * A183524 A183525 A183526

Keyword

nonn

Author

R. H. Hardin Jan 05 2011

Status

approved