A239536 Number of (n+1)X(7+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

328, 328, 645504, 17931608, 4125560328, 297124637920, 39351464058085, 3747320422936526, 425400186449108118, 43933336870300437068

Offset

1,1

Comments

Column 7 of A239537

Links

Table of n, a(n) for n=1..10.

Example

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

Crossrefs

Sequence in context: A236822 A126311 A097738 * A237505 A183848 A205251

Adjacent sequences: A239533 A239534 A239535 * A239537 A239538 A239539

Keyword

nonn

Author

R. H. Hardin, Mar 21 2014

Status

approved