A201151 Number of nX4 0..2 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally.

19, 140, 860, 4572, 22183, 100362, 432048, 1791740, 7225068, 28510387, 110629661, 423640742, 1605361751, 6032626211, 22517083366, 83589139136, 308933515758, 1137661210293, 4177146453272, 15300167480847, 55930646132694

Offset: 1

Author

R. H. Hardin Nov 27 2011

Keywords

• nonn

Comments

Column 4 of A201155

Examples

			Some solutions for n=5
..0..0..0..1....0..0..0..1....0..0..0..1....0..0..0..0....0..0..0..1
..0..1..1..1....0..1..1..1....0..0..1..2....0..0..0..0....0..0..1..2
..0..1..2..1....0..1..2..1....0..1..1..2....0..0..0..1....0..0..2..2
..0..1..1..1....1..1..2..2....0..2..1..2....0..2..1..2....0..1..2..2
..0..2..2..2....2..2..2..2....0..2..1..2....1..1..2..2....0..1..2..2
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..49