A200932 Number of nX3 0..6 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

57, 86, 3158, 43334, 246447, 16356517, 8948286, 4440651544, 16289328667, 823364779064, 14477789385971, 90048163451447

Offset

1,1

Comments

Column 3 of A200935

Links

Table of n, a(n) for n=1..12.

Example

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

Crossrefs

Sequence in context: A196580 A086097 A172333 * A145554 A111320 A147468

Adjacent sequences: A200929 A200930 A200931 * A200933 A200934 A200935

Keyword

nonn

Author

R. H. Hardin Nov 24 2011

Status

approved