A200969 Number of nX3 0..6 arrays with every row and column running average nondecreasing rightwards and downwards.

106, 3636, 110854, 3167295, 86468392, 2279060645, 58497330607, 1470248361721, 36345145877004, 886386298107620, 21376162175779039, 510658443459103773, 12100575606121151494, 284720818089996296210, 6658048676892055486889

Offset: 1

Author

R. H. Hardin Nov 25 2011

Keywords

• nonn

Comments

Column 3 of A200974

Examples

			Some solutions for n=4
..0..0..3....0..0..2....0..0..4....0..0..2....0..0..1....0..0..0....0..0..1
..0..3..4....0..0..4....0..3..4....0..0..3....0..0..4....0..0..4....0..0..1
..0..3..6....3..6..5....0..3..6....0..4..6....0..4..4....0..5..5....0..5..5
..2..4..5....6..6..6....4..6..5....0..6..6....5..5..6....3..3..4....2..3..3
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..27