A201065 Number of n X n 0..6 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.

7, 70, 514, 22440, 2250982, 45244488, 1001060834, 1438433201164

Offset: 1

Author

R. H. Hardin Nov 26 2011

Keywords

• nonn

Comments

Diagonal of A201072.

Examples

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

Crossrefs

Cf. A201072.