A231400 Number of (4+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

12, 20, 272, 1096, 8340, 55788, 345022, 2502891, 16525492, 113585134, 799820476, 5455236715, 38507382540, 268963425191, 1882384615623, 13300278749856, 93433472155344, 659971112697126, 4663864398488500, 32941704521261841

Offset

1,1

Comments

Row 4 of A231396

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=5
..0..0..0..0..0..1....0..0..0..1..1..1....0..0..1..0..1..1....0..0..0..0..0..0
..1..1..0..0..1..1....1..1..1..0..1..1....1..1..0..1..0..0....0..0..0..0..1..1
..1..1..1..1..1..1....1..1..0..0..0..0....1..1..1..0..0..0....1..1..1..1..1..1
..0..0..1..1..1..1....1..0..1..0..0..0....0..0..0..1..0..0....1..1..2..2..1..1
..0..0..0..0..0..0....0..1..0..1..1..1....0..0..1..1..1..0....1..2..2..2..2..2

Crossrefs

Sequence in context: A163323 A060159 A167351 * A231467 A078600 A076638

Adjacent sequences: A231397 A231398 A231399 * A231401 A231402 A231403

Keyword

nonn

Author

R. H. Hardin, Nov 08 2013

Status

approved