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A206845 Number of 7Xn 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal 0
14124, 199487376, 1709151563122, 15348900754966668, 138717281035824236746, 1253153235463965319380998 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 7 of A206838
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..2..1....3..1..1..2..1....0..2..3..2..3....1..1..1..0..3
..2..2..3..1..0....1..2..1..3..2....3..2..3..0..0....2..3..3..0..0
..0..2..3..0..1....0..1..0..0..1....1..2..0..2..2....2..1..3..2..0
..1..1..1..3..0....1..1..1..2..2....0..2..1..0..1....1..0..2..0..1
..1..1..3..2..3....3..0..0..3..0....2..1..0..2..1....2..1..3..0..0
..2..1..0..2..1....0..3..3..3..2....3..0..0..1..0....1..3..2..2..0
..0..3..3..2..2....1..0..1..0..1....2..1..0..3..3....2..2..1..1..0
CROSSREFS
Sequence in context: A186834 A263911 A215019 * A206837 A206899 A207289
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 13 2012
STATUS
approved

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Last modified May 24 06:28 EDT 2024. Contains 372772 sequences. (Running on oeis4.)