A201031 Number of nX6 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

61, 4587, 249211, 6814915, 78447852, 21586894705

Offset

1,1

Comments

Column 6 of A201033

Links

Table of n, a(n) for n=1..6.

Example

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

Crossrefs

Sequence in context: A126434 A096544 A242230 * A165259 A181636 A167736

Adjacent sequences: A201028 A201029 A201030 * A201032 A201033 A201034

Keyword

nonn

Author

R. H. Hardin Nov 26 2011

Status

approved