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A206978
Number of 6Xn 0..3 arrays avoiding the pattern z-1 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal
0
3353, 11242609, 20061347530, 35350565625684, 63023113538493420
OFFSET
1,1
COMMENTS
Row 6 of A206974
EXAMPLE
Some solutions for n=4
..0..2..0..3....2..1..2..3....3..1..1..1....0..0..3..0....2..0..0..2
..0..0..2..1....0..1..2..0....3..3..3..1....1..1..3..0....0..2..2..0
..2..0..2..1....0..1..0..0....3..1..3..3....2..2..1..0....1..0..2..0
..0..2..0..3....2..0..3..0....3..1..1..1....3..2..2..0....0..0..0..2
..2..1..0..3....2..0..3..2....3..3..3..0....2..0..0..0....0..2..3..3
..1..0..2..0....1..2..0..2....1..1..1..1....1..2..3..2....3..2..3..0
CROSSREFS
Sequence in context: A251817 A216488 A203782 * A206972 A206575 A207580
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 14 2012
STATUS
approved