A201430 Number of nX6 0..2 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other

1, 111, 16399, 2740779, 416592852, 54217235230, 6052024146349, 587944908602174, 50476787849180641, 3880703069469115762, 270124665154345283826

Offset

1,2

Comments

Column 6 of A201432

Links

Table of n, a(n) for n=1..11.

Example

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

Crossrefs

Sequence in context: A178906 A225374 A015262 * A262641 A145698 A362920

Adjacent sequences: A201427 A201428 A201429 * A201431 A201432 A201433

Keyword

nonn

Author

R. H. Hardin Dec 01 2011

Status

approved