A201071 Number of n X 7 0..6 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.

1, 127, 4448, 175865, 3558888, 76714325, 1001060834, 13053459189, 126679336122, 1146503112430, 8486668894331, 60373612028710, 361132659179512

Offset

1,2

Comments

Column 7 of A201072.

Links

Table of n, a(n) for n=1..13.

Example

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

Crossrefs

Cf. A201072.

Sequence in context: A114535 A215611 A176357 * A137789 A268663 A005464

Adjacent sequences: A201068 A201069 A201070 * A201072 A201073 A201074

Keyword

nonn

Author

R. H. Hardin, Nov 26 2011

Status

approved