A200527 Number of n X n 0..2 arrays with every row and column running average nondecreasing rightwards and downwards.

3, 20, 243, 4848, 167171, 10000162, 1056792824, 201092476918, 70051408245054, 45119084364602004

Offset: 1

Author

R. H. Hardin Nov 18 2011

Keywords

• nonn

Comments

Diagonal of A200534

Examples

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