A239535 Number of (n+1)X(6+1) 0..2 arrays with no element equal to all horizontal neighbors or unequal to all vertical neighbors, and new values 0..2 introduced in row major order

120, 120, 86400, 1533792, 171712936, 6976042240, 482858009716, 25030781490504, 1514104924173186, 84271877225127052, 4904669609011048390, 278670145806811741992, 16039384095013229680088, 916772052100684847959202

Offset

1,1

Comments

Column 6 of A239537

Links

R. H. Hardin, Table of n, a(n) for n = 1..16

Example

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

Crossrefs

Sequence in context: A334571 A056466 A056456 * A085218 A296884 A117645

Adjacent sequences: A239532 A239533 A239534 * A239536 A239537 A239538

Keyword

nonn

Author

R. H. Hardin, Mar 21 2014

Status

approved