A231403 Number of (7+1)X(n+1) 0..2 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order

87, 95, 5834, 62039, 1158551, 22654165, 374180527, 7170248270

Offset

1,1

Comments

Row 7 of A231396

Links

Table of n, a(n) for n=1..8.

Example

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

Crossrefs

Sequence in context: A095597 A095583 A323414 * A256083 A038005 A305266

Adjacent sequences: A231400 A231401 A231402 * A231404 A231405 A231406

Keyword

nonn

Author

R. H. Hardin, Nov 08 2013

Status

approved