A207132 Number of nX6 0..3 arrays avoiding the pattern z z+1 z in any row or column

3361, 11296321, 28848306206, 72730695900843, 184157064663188335, 466503557360950708206, 1181661762728423251688762, 2993131913509117467698218663, 7581568440678260694867709585565

Offset

1,1

Comments

Column 6 of A207134

Links

R. H. Hardin, Table of n, a(n) for n = 1..12

Example

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

Crossrefs

Sequence in context: A206795 A206965 A209090 * A175534 A233356 A035778

Adjacent sequences: A207129 A207130 A207131 * A207133 A207134 A207135

Keyword

nonn

Author

R. H. Hardin Feb 15 2012

Status

approved