A183381 Half the number of n X n binary arrays with no element equal to a strict majority of its king-move neighbors

1, 3, 11, 109, 4194, 304844, 52522415, 24448162531, 27954879962631

Offset

1,2

Comments

Diagonal of A183386

Links

Table of n, a(n) for n=1..9.

Example

Some solutions for 5X5
..0..0..1..0..1....0..0..1..1..1....0..1..0..1..0....0..1..1..0..1
..1..1..1..0..0....1..1..0..0..0....1..0..1..0..1....0..1..0..0..1
..0..1..0..1..1....1..0..0..1..1....0..0..1..0..1....1..0..1..1..0
..0..0..1..0..0....0..0..1..1..0....1..1..0..1..0....1..0..1..0..1
..1..1..0..1..1....1..1..0..1..0....0..1..0..1..0....1..0..1..0..1

Crossrefs

Sequence in context: A302927 A105413 A241587 * A136985 A131546 A275338

Adjacent sequences: A183378 A183379 A183380 * A183382 A183383 A183384

Keyword

nonn

Author

R. H. Hardin Jan 04 2011

Status

approved