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A266885 Number of nX3 arrays containing 3 copies of 0..n-1 with no element 1 greater than its north, northeast or northwest neighbor modulo n and the upper left element equal to 0. 0
1, 0, 1, 322, 52149, 33089774, 32230426133, 53280974043650 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

Column 3 of A266886.

LINKS

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

EXAMPLE

Some solutions for n=5

..0..0..0....0..0..4....0..4..0....0..0..4....0..2..1....0..0..0....0..4..0

..2..3..2....3..2..3....2..3..2....2..3..3....4..4..1....2..3..3....3..3..2

..1..1..2....1..2..1....1..1..2....1..2..1....4..3..1....2..2..1....0..2..2

..4..4..4....0..4..1....4..1..0....4..4..0....2..3..3....4..4..1....4..4..1

..3..1..3....2..4..3....4..3..3....1..3..2....0..2..0....1..4..3....1..3..1

CROSSREFS

Cf. A266886.

Sequence in context: A234705 A324629 A234704 * A253368 A033524 A309030

Adjacent sequences:  A266882 A266883 A266884 * A266886 A266887 A266888

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 05 2016

STATUS

approved

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Last modified July 19 10:56 EDT 2019. Contains 325155 sequences. (Running on oeis4.)