A205428 Number of (n+1)X6 0..3 arrays with the number of equal 2X2 subblock diagonal pairs and equal antidiagonal pairs differing from each horizontal or vertical neighbor, and new values 0..3 introduced in row major order

68342, 9083342, 1514539540, 250194674424, 42782998259850, 7075689720463554, 1210040924920270258

Offset

1,1

Comments

Column 5 of A205431

Links

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

Example

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

Crossrefs

Sequence in context: A209855 A206665 A206174 * A205203 A205061 A093217

Adjacent sequences: A205425 A205426 A205427 * A205429 A205430 A205431

Keyword

nonn

Author

R. H. Hardin Jan 27 2012

Status

approved