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A266041 Number of nX3 arrays containing 3 copies of 0..n-1 with no element plus any vertical or antidiagonal neighbor equal to n-1. 0
1, 0, 30, 2408, 1477440, 854084640, 1480836132576, 2354482052331648 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Column 3 of A266042.

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A266042.

Sequence in context: A230272 A230612 A138916 * A091544 A230728 A108091

Adjacent sequences:  A266038 A266039 A266040 * A266042 A266043 A266044

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 20 2015

STATUS

approved

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Last modified January 19 02:30 EST 2022. Contains 350464 sequences. (Running on oeis4.)