A200972 Number of n X 6 0..6 arrays with every row and column running average nondecreasing rightwards and downwards.

4874, 3543465, 2279060645, 1342587653727, 738228105542702

Offset

1,1

Comments

Column 6 of A200974.

Links

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

Example

Some solutions for n=3
..0..0..0..0..1..5....0..0..0..0..1..2....0..0..0..0..0..1....0..0..0..0..1..3
..0..0..0..0..1..5....0..0..0..0..2..4....0..0..0..0..2..2....0..0..0..0..2..4
..0..0..3..6..5..5....0..0..1..3..5..4....0..0..6..6..6..5....0..0..2..2..4..6

Crossrefs

Cf. A200974.

Sequence in context: A208629 A272077 A259329 * A053396 A366468 A210385

Adjacent sequences: A200969 A200970 A200971 * A200973 A200974 A200975

Keyword

nonn

Author

R. H. Hardin, Nov 25 2011

Status

approved