A199131 Number of nX6 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and no element equal to any horizontal or vertical neighbor

5, 30, 264, 2836, 33970, 438502, 5926852, 82908094, 1187201812, 17307138986, 255687902462, 3817658150424, 57485010058768, 871667490461400, 13295046323445896, 203799010704532580, 3137556683409570358

Offset

1,1

Comments

Column 6 of A199133

Links

R. H. Hardin, Table of n, a(n) for n = 1..34

Example

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

Crossrefs

Sequence in context: A279155 A245247 A353547 * A342389 A344525 A277464

Adjacent sequences: A199128 A199129 A199130 * A199132 A199133 A199134

Keyword

nonn

Author

R. H. Hardin Nov 03 2011

Status

approved