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A207281
Number of nX6 0..3 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column, diagonal or antidiagonal
0
2902, 8421604, 6979630118, 7655462652196, 8271975196175318
OFFSET
1,1
COMMENTS
Column 6 of A207283
EXAMPLE
Some solutions for n=4
..1..2..0..3..3..0....2..0..1..1..3..2....1..0..2..1..3..3....2..0..0..2..1..1
..1..0..2..2..1..1....2..1..3..1..1..3....1..2..0..2..2..1....3..1..0..0..1..1
..0..0..2..1..0..3....2..1..3..3..0..1....2..0..0..2..0..2....3..3..3..1..1..0
..2..3..0..3..3..2....3..2..1..1..2..2....2..0..2..3..3..0....3..3..0..1..1..2
CROSSREFS
Sequence in context: A340201 A235102 A252267 * A207477 A207533 A054828
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 16 2012
STATUS
approved