A183376 Number of nX3 binary arrays with no element equal to the mod 3 sum of its king-move neighbors.

2, 9, 28, 68, 143, 364, 952, 2509, 6412, 16544, 42939, 111540, 291108, 757309, 1972172, 5144362, 13414809, 34987626, 91292436, 238197883, 621533082, 1622128746, 4233391807, 11048462916, 28837147416, 75265508987, 196446917068

Offset: 1

Author

R. H. Hardin Jan 04 2011

Keywords

• nonn

Comments

Column 3 of A183380

Examples

			Some solutions for 5X3
..0..1..0....1..1..0....1..1..1....0..1..1....0..1..0....0..1..1....0..1..0
..1..0..1....1..0..1....1..1..1....0..1..1....1..0..1....1..0..1....1..0..1
..1..0..1....0..1..0....1..1..1....0..0..0....1..0..1....0..1..0....1..0..1
..1..1..1....0..0..0....1..1..1....0..0..0....1..1..1....1..1..1....0..1..0
..1..0..1....0..1..0....1..1..1....1..0..1....1..0..0....1..0..1....0..0..0
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..200