A183522 Number of nX5 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.

13, 309, 2233, 27609, 371691, 4406933, 56562977, 728459961, 9260503697, 118800214951, 1524147275433, 19534446701521, 250583781238959, 3214379129443263, 41229745589418633, 528882044555348133

Offset: 1

Author

R. H. Hardin Jan 05 2011

Keywords

• nonn

Comments

Column 5 of A183526

Examples

			Some solutions for 3X5
..2..2..1..0..2....0..2..0..0..0....2..1..1..2..1....0..1..0..0..1
..0..2..0..2..0....1..2..0..1..0....1..0..0..1..2....2..1..0..2..1
..1..1..1..2..2....0..2..0..0..1....0..0..0..0..2....0..1..0..0..1
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..21