A200826 Number of nX3 0..5 arrays with every row and column running average nondecreasing rightwards and downwards.

69, 1630, 33540, 642953, 11757774, 207535740, 3568229516, 60064451704, 994081203872, 16221664901551, 261576061692669, 4174923985695564, 66040940309213362, 1036456712144381487, 16152737625133763191

Offset: 1

Author

R. H. Hardin Nov 23 2011

Keywords

• nonn

Comments

Column 3 of A200831

Examples

			Some solutions for n=4
..0..0..0....0..0..0....0..0..1....0..0..0....0..0..1....0..0..0....0..0..1
..0..1..2....0..2..3....0..1..1....0..1..2....0..1..3....0..0..0....0..2..3
..0..4..2....2..2..5....0..3..3....0..2..1....2..3..4....1..5..5....3..3..5
..1..3..5....3..5..4....3..3..4....2..5..5....3..5..5....1..3..3....3..3..5
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..32