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A265862 Number of n X 4 arrays of permutations of 4 copies of 0..n-1 with no element plus any vertical neighbor equal to n-1. 0
1, 6, 1462, 1584088, 8616332520, 71643177829872, 1642669067898696816 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 4 of A265863.
LINKS
EXAMPLE
Some solutions for n=3
..2..2..2..0....2..1..0..0....0..2..1..0....1..2..0..2....2..0..0..2
..1..1..1..0....1..2..0..0....0..1..2..0....0..1..1..2....1..1..1..1
..0..0..2..1....2..2..1..1....1..2..2..1....0..0..2..1....2..0..0..2
CROSSREFS
Cf. A265863.
Sequence in context: A107252 A358626 A131453 * A281255 A216934 A308029
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 17 2015
STATUS
approved

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Last modified June 18 15:05 EDT 2024. Contains 373481 sequences. (Running on oeis4.)