A207131 Number of nX5 0..3 arrays avoiding the pattern z z+1 z in any row or column.

883, 779689, 546965177, 379555408075, 264331974554825, 184157064663188335, 128293375281298716166, 89374899091284050555079, 62262603631850259878797206, 43374963859188108326923863017

Offset

1,1

Comments

Column 5 of A207134

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=4
..3..2..3..0..1....3..2..0..1..1....1..2..2..3..3....2..3..3..0..0
..1..1..1..2..2....3..3..1..3..2....3..1..0..0..1....2..1..3..2..0
..2..3..0..1..2....2..1..1..2..2....1..1..1..2..2....1..0..2..0..1
..0..0..1..3..0....0..1..3..1..3....3..0..3..3..0....2..1..3..0..1

Crossrefs

Sequence in context: A206794 A206964 A209089 * A253507 A282156 A318200

Adjacent sequences: A207128 A207129 A207130 * A207132 A207133 A207134

Keyword

nonn

Author

R. H. Hardin, Feb 15 2012

Status

approved