A206972 Number of nX6 0..3 arrays avoiding the pattern z-1 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal

3353, 11242609, 20232472915, 36046917008352, 63628877431006149

Offset

1,1

Comments

Column 6 of A206974

Links

Table of n, a(n) for n=1..5.

Example

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

Crossrefs

Sequence in context: A216488 A203782 A206978 * A206575 A207580 A207055

Adjacent sequences: A206969 A206970 A206971 * A206973 A206974 A206975

Keyword

nonn

Author

R. H. Hardin Feb 14 2012

Status

approved