A200853 Number of nX3 0..4 arrays with every row and column running average nondecreasing rightwards and downwards

42, 647, 8535, 103528, 1194898, 13295014, 144195756, 1532754468, 16036647028, 165590166035, 1691004116711, 17103881636663, 171555367761442, 1708005328930678, 16892696764660692, 166083227626724726

Offset

1,1

Comments

Column 3 of A200858

Links

R. H. Hardin, Table of n, a(n) for n = 1..39

Example

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

Crossrefs

Sequence in context: A091962 A269659 A007746 * A214945 A159947 A330845

Adjacent sequences: A200850 A200851 A200852 * A200854 A200855 A200856

Keyword

nonn

Author

R. H. Hardin Nov 23 2011

Status

approved