A200968 Number of nX2 0..6 arrays with every row and column running average nondecreasing rightwards and downwards.

28, 336, 3636, 37254, 368218, 3543465, 33420304, 310188575, 2842734858, 25785030510, 231905061219, 2071004316674, 18384294374976, 162358277380149, 1427441485073845, 12500646342073494, 109091420391340409

Offset: 1

Author

R. H. Hardin Nov 25 2011

Keywords

• nonn

Comments

Column 2 of A200974

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..99