A201449 Number of nX6 0..3 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other

6, 13, 701, 846, 22324, 16334, 363693, 211755, 3708666, 1743841, 27486101, 11523462, 159251638, 59366033, 763865999, 265448264, 3148137956, 1014298362, 11451837500, 3516665645, 37535616517, 10943450873, 112627454165, 31695873391

Offset

1,1

Comments

Column 6 of A201451

Links

R. H. Hardin, Table of n, a(n) for n = 1..42

Example

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

Crossrefs

Sequence in context: A042285 A041070 A248263 * A205300 A065938 A131902

Adjacent sequences: A201446 A201447 A201448 * A201450 A201451 A201452

Keyword

nonn

Author

R. H. Hardin Dec 01 2011

Status

approved