A183551 Number of nX6 0..2 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors.

33, 5845, 417809, 31363527, 2359134621, 177385265619, 13344696858771, 1003889179688773, 75519989933088273, 5681183354145927001, 427381397089550672209, 32150852268908799128175, 2418629680159299544090603

Offset: 1

Author

R. H. Hardin Jan 05 2011

Keywords

• nonn

Comments

Column 6 of A183554

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..95