A200533 Number of nX7 0..2 arrays with every row and column running average nondecreasing rightwards and downwards.

87, 1873, 32556, 494555, 6820330, 87098434, 1056792824, 12348422785, 140068079857, 1551453118671, 16861973522704, 180469353488204, 1907201493832312, 19944555935687461, 206749466424763994

Offset: 1

Author

R. H. Hardin Nov 18 2011

Keywords

• nonn

Comments

Column 7 of A200534

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..19