A201029 Number of nX4 0..4 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

15, 295, 4238, 30157, 96844, 6814915, 221032490, 3642791292, 29879423064, 103128216612, 8111212273960, 269665188133693

Offset

1,1

Comments

Column 4 of A201033

Links

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

Example

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

Crossrefs

Sequence in context: A303653 A185809 A231792 * A201341 A144349 A375222

Adjacent sequences: A201026 A201027 A201028 * A201030 A201031 A201032

Keyword

nonn

Author

R. H. Hardin Nov 26 2011

Status

approved