A231469 Number of (6+1)X(n+1) 0..3 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with values 0..3 introduced in row major order

48, 56, 2093, 16384, 229889, 3306466, 41018349, 609662051, 8698312947, 123797055746

Offset

1,1

Comments

Row 6 of A231463

Links

Table of n, a(n) for n=1..10.

Example

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

Crossrefs

Sequence in context: A366250 A345503 A259037 * A261546 A335938 A335216

Adjacent sequences: A231466 A231467 A231468 * A231470 A231471 A231472

Keyword

nonn

Author

R. H. Hardin, Nov 09 2013

Status

approved