A206977 Number of 5Xn 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, 417476451, 221715091199, 118749552817647, 63628877431006149, 34104878476309159917, 18280058009555598063118, 9798040100747052632960116, 5251694816677658807925115871, 2814870646104424097794362161420

Offset

1,1

Comments

Row 5 of A206974

Links

R. H. Hardin, Table of n, a(n) for n = 1..24

Example

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

Crossrefs

Sequence in context: A035758 A107554 A089519 * A206971 A206574 A207579

Adjacent sequences: A206974 A206975 A206976 * A206978 A206979 A206980

Keyword

nonn

Author

R. H. Hardin Feb 14 2012

Status

approved