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A267071 Number of nX3 arrays containing 3 copies of 0..n-1 with no element 1 greater than its west or southwest neighbor modulo n and the upper left element equal to 0. 0
1, 0, 6, 1129, 437427, 310439601, 368078731163, 672850064250832, 1794103196444632314 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Column 3 of A267072.

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A267072.

Sequence in context: A179853 A268043 A190351 * A219165 A185537 A113159

Adjacent sequences:  A267068 A267069 A267070 * A267072 A267073 A267074

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 10 2016

STATUS

approved

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Last modified September 25 10:05 EDT 2020. Contains 337337 sequences. (Running on oeis4.)