A205333 Number of (n+1)X7 0..2 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..2 introduced in row major order

64512, 2676888, 141909312, 8198181984, 477819318768, 27897722118120, 1628712097341660, 95091782591632620, 5551790775718046736, 324133422870396074820, 18924020866032456231624, 1104849034008524704887600

Offset

1,1

Comments

Column 6 of A205335

Links

R. H. Hardin, Table of n, a(n) for n = 1..19

Example

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

Crossrefs

Sequence in context: A224827 A234128 A205631 * A165689 A236469 A203712

Adjacent sequences: A205330 A205331 A205332 * A205334 A205335 A205336

Keyword

nonn

Author

R. H. Hardin Jan 26 2012

Status

approved