A200988 Number of nX6 0..4 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other

5, 226, 3157, 15023, 27000, 752271, 8434277, 39361323, 80878071, 64001290, 1061617971, 6885026630, 20690808333, 29111264965, 15934951732, 200246707818, 986856290325, 2324162438865, 2632647531203, 1170193845706, 12359035000524

Offset

1,1

Comments

Column 6 of A200990

Links

R. H. Hardin, Table of n, a(n) for n = 1..22

Example

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

Crossrefs

Sequence in context: A324098 A263430 A339311 * A201491 A181584 A300390

Adjacent sequences: A200985 A200986 A200987 * A200989 A200990 A200991

Keyword

nonn

Author

R. H. Hardin Nov 25 2011

Status

approved