A200529 Number of nX3 0..2 arrays with every row and column running average nondecreasing rightwards and downwards.

11, 57, 243, 905, 3135, 10292, 32556, 100065, 300847, 888587, 2586994, 7441963, 21193523, 59838942, 167704775, 466986683, 1293018711, 3562315723, 9770764284, 26693067952, 72663897633, 197170483178, 533459459628, 1439508706370

Offset: 1

Author

R. H. Hardin Nov 18 2011

Keywords

• nonn

Comments

Column 3 of A200534

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..122