A200933 Number of nX4 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

107, 466, 43334, 1684241, 21364907, 4105461914, 5978211225, 7869519185432

Offset

1,1

Comments

Column 4 of A200935

Links

Table of n, a(n) for n=1..8.

Example

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

Crossrefs

Sequence in context: A183847 A142696 A142775 * A142638 A069759 A183057

Adjacent sequences: A200930 A200931 A200932 * A200934 A200935 A200936

Keyword

nonn

Author

R. H. Hardin Nov 24 2011

Status

approved