A206971 Number of nX5 0..3 arrays avoiding the pattern z-1 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal

882, 777924, 419203246, 223912418544, 118749552817647, 63023113538493420, 33450230674269584063, 17747590151499513969141, 9414148418043478285995791, 4993518944483846036425995889, 2648627388902187382824097898184

Offset

1,1

Comments

Column 5 of A206974

Links

R. H. Hardin, Table of n, a(n) for n = 1..18

Example

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

Crossrefs

Sequence in context: A107554 A089519 A206977 * A206574 A207579 A207054

Adjacent sequences: A206968 A206969 A206970 * A206972 A206973 A206974

Keyword

nonn

Author

R. H. Hardin Feb 14 2012

Status

approved