A269335 Number of nX3 arrays containing 3 copies of 0..n-1 avoiding the pattern equal-up in every row and column.

1, 14, 852, 152922, 62038644, 47286888510, 60138461300848

Offset

1,2

Comments

Column 3 of A269336.

Links

Table of n, a(n) for n=1..7.

Example

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

Crossrefs

Cf. A269336.

Sequence in context: A183576 A002429 A064345 * A159871 A362998 A340259

Adjacent sequences: A269332 A269333 A269334 * A269336 A269337 A269338

Keyword

nonn

Author

R. H. Hardin, Feb 24 2016

Status

approved