A239159 Number of (6+1)X(n+1) 0..3 arrays with no element equal to all horizontal neighbors or unequal to all vertical neighbors, and new values 0..3 introduced in row major order

340, 17050, 2709568, 330311070, 42600989632, 5427557363908, 693325664438772, 88515970694682238, 11302116207196944184, 1443066224926757673588, 184253299972460754777622, 23525764336051214515515358

Offset

1,1

Comments

Row 6 of A239155

Links

R. H. Hardin, Table of n, a(n) for n = 1..154

Example

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

Crossrefs

Sequence in context: A187383 A265969 A265924 * A222927 A298908 A057598

Adjacent sequences: A239156 A239157 A239158 * A239160 A239161 A239162

Keyword

nonn

Author

R. H. Hardin, Mar 11 2014

Status

approved