A201148 Number of n X n 0..2 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally.

3, 20, 235, 4572, 153796, 9005581, 938925282, 177169920997, 61277532455559

Offset: 1

Author

R. H. Hardin Nov 27 2011

Keywords

• nonn

Comments

Diagonal of A201155

Examples

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