A222545 Number of 5 X n 0..1 arrays with no more than floor(5 X n/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order.

16, 29, 155, 929, 3872, 33612, 155007, 1527917, 7425257, 76107600, 378550019, 3933127974, 19744487344, 206465432944, 1041725895360, 10935740517085, 55369736772216, 582894049028262, 2959494049295828, 31224847681516989

Offset

1,1

Comments

Row 5 of A222541.

Links

R. H. Hardin, Table of n, a(n) for n = 1..42

Example

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

Crossrefs

Cf. A222541.

Sequence in context: A353597 A246345 A054314 * A115278 A228664 A359935

Adjacent sequences: A222542 A222543 A222544 * A222546 A222547 A222548

Keyword

nonn

Author

R. H. Hardin, Feb 24 2013

Status

approved