A207233 Number of nX6 0..2 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column, diagonal or antidiagonal

425, 180625, 14540437, 2320163321, 350097798369, 47274560618753, 6288613378797777, 848441499201176937, 115729804849860223409, 15815350418434277529561, 2156595557340371898086465

Offset

1,1

Comments

Column 6 of A207235

Links

R. H. Hardin, Table of n, a(n) for n = 1..100

Example

Some solutions for n=4
..0..1..2..2..2..1....2..1..0..2..1..0....1..2..2..2..0..1....2..2..2..1..0..2
..0..2..2..0..2..0....2..1..1..1..2..2....0..2..2..1..1..2....2..1..0..0..1..2
..1..2..0..2..2..2....1..1..1..1..2..2....2..2..2..1..1..0....1..0..0..0..1..2
..2..2..0..2..2..2....1..1..1..0..2..2....2..0..1..1..0..0....0..0..0..0..1..1

Crossrefs

Sequence in context: A160098 A349940 A203343 * A207226 A207013 A048922

Adjacent sequences: A207230 A207231 A207232 * A207234 A207235 A207236

Keyword

nonn

Author

R. H. Hardin Feb 16 2012

Status

approved