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A206962 Number of nX3 0..3 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal 1
61, 3721, 188699, 9499613, 480085367, 24271094606, 1226952447969, 62023985354889, 3135394700412912, 158498453972463263, 8012311439021640681, 405033180576738573321, 20474975181681666327711, 1035037693923824296534346 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A206967

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A206975 A206969 A206792 * A206572 A207577 A209087

Adjacent sequences:  A206959 A206960 A206961 * A206963 A206964 A206965

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 14 2012

STATUS

approved

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Last modified September 22 15:04 EDT 2020. Contains 337291 sequences. (Running on oeis4.)