A200900 Number of nX6 0..5 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other

20, 1483, 142698, 18172239, 2162004143

Offset

1,1

Comments

Column 6 of A200902

Links

Table of n, a(n) for n=1..5.

Example

Some solutions for n=3
..0..0..1..3..1..2....0..0..0..1..1..2....0..0..0..1..2..1....0..0..0..1..2..1
..0..2..3..3..2..5....2..2..3..3..4..4....1..3..2..4..4..5....2..2..5..3..4..5
..1..5..4..4..4..5....1..5..3..5..5..4....2..4..3..3..5..5....1..3..3..5..4..4

Crossrefs

Sequence in context: A363512 A193309 A177601 * A177603 A160308 A177625

Adjacent sequences: A200897 A200898 A200899 * A200901 A200902 A200903

Keyword

nonn

Author

R. H. Hardin Nov 23 2011

Status

approved