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A201137 Number of nX3 0..5 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other 1
20, 5, 402, 117, 5252, 758, 35810, 4788, 182640, 18486, 743288, 78155, 2551706, 217720, 7481114, 653018, 20218442, 1605125, 49306390, 3853884, 111522844, 8139750, 238718470, 17696623, 483325794, 33393124, 928163494, 64732125 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A201142

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..74

EXAMPLE

Some solutions for n=8

..0..0..2....0..0..2....0..0..1....0..0..1....0..0..1....0..1..2....0..0..1

..0..0..2....0..1..2....0..0..2....0..0..2....0..2..2....0..1..4....0..0..3

..1..2..3....0..2..3....1..1..3....1..1..3....0..2..4....0..1..4....1..2..3

..1..3..4....1..2..3....1..2..3....1..2..4....1..3..4....0..1..4....1..2..4

..1..3..5....1..3..3....2..2..5....2..3..4....1..3..4....2..3..4....1..3..5

..1..4..5....1..4..4....3..3..5....2..3..4....1..3..5....2..3..5....2..4..5

..2..4..5....4..5..5....4..4..5....3..4..5....2..3..5....2..3..5....2..4..5

..3..4..5....4..5..5....4..4..5....5..5..5....4..5..5....3..5..5....3..4..5

CROSSREFS

Sequence in context: A068612 A233820 A040387 * A040385 A161997 A274458

Adjacent sequences:  A201134 A201135 A201136 * A201138 A201139 A201140

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 27 2011

STATUS

approved

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Last modified April 16 05:26 EDT 2021. Contains 343030 sequences. (Running on oeis4.)