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A266653 Number of nX3 arrays containing 3 copies of 0..n-1 with no element 1 greater than its northeast neighbor modulo n and the upper left element equal to 0. 0
1, 2, 91, 14540, 5127134, 3413004556, 3833960867620, 6716778465903760, 17318905849792010100 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 3 of A266655.
LINKS
Table of n, a(n) for n=1..9.
EXAMPLE
Some solutions for n=4
..0..3..0....0..3..2....0..0..2....0..3..0....0..3..3....0..3..2....0..3..0
..1..3..2....3..1..2....0..2..3....1..2..1....3..1..0....3..2..0....3..3..2
..2..1..1....0..2..3....2..3..1....2..1..0....1..2..2....0..2..1....2..1..2
..0..3..2....0..1..1....1..3..1....3..2..3....0..1..2....1..1..3....1..1..0
CROSSREFS
Cf. A266655.
Sequence in context: A193747 A242176 A024240 * A116162 A116293 A030985
Adjacent sequences: A266650 A266651 A266652 * A266654 A266655 A266656
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 02 2016
STATUS
approved

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Last modified September 14 10:49 EDT 2024. Contains 375921 sequences. (Running on oeis4.)