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A206898 Number of nX6 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column or nw-to-se diagonal 1
3636, 13220496, 35974254384, 100388008195387, 277547203982336971, 768965608329861602588, 2129766555218823044199240, 5899351779197139995930378687, 16340661622490256210423617956636 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A206900

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..54

EXAMPLE

Some solutions for n=4

..3..1..3..0..1..0....3..0..2..0..2..2....0..0..3..0..1..1....2..1..2..0..0..1

..1..3..2..3..1..3....3..0..0..0..3..2....2..0..2..2..1..0....2..0..0..1..3..0

..2..2..1..1..3..3....0..2..3..2..3..3....3..2..2..0..2..3....2..0..3..0..2..0

..0..1..0..3..3..1....2..3..0..0..1..3....3..0..1..3..0..2....3..1..1..2..0..2

CROSSREFS

Sequence in context: A232418 A206844 A206836 * A207288 A239992 A253498

Adjacent sequences:  A206895 A206896 A206897 * A206899 A206900 A206901

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 13 2012

STATUS

approved

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Last modified August 27 15:19 EDT 2015. Contains 261092 sequences.