A200825 Number of n X 2 0..5 arrays with every row and column running average nondecreasing rightwards and downwards.

21, 196, 1630, 12776, 96511, 709506, 5112134, 36238976, 253579683, 1755615191, 12048364111, 82078204820, 555669049602, 3741805083510, 25080702664546, 167435417347772, 1113826183859653, 7386330575306323, 48846398558444346

Offset: 1

Author

R. H. Hardin, Nov 23 2011

Keywords

• nonn

Comments

Column 2 of A200831.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..116