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A265881 Number of nX4 arrays of permutations of 4 copies of 0..n-1 with no element plus any horizontal neighbor equal to n-1. 0
0, 2, 894, 1584088, 10856237680, 105870775847760, 2630918094778547280, 87716669699961619793280 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 4 of A265882.
LINKS
EXAMPLE
Some solutions for n=3
..1..0..0..1....1..2..1..0....2..2..2..1....1..2..2..1....0..1..0..0
..2..1..0..0....0..0..0..1....2..1..0..0....2..2..1..0....0..1..2..1
..2..1..2..2....2..2..1..2....0..1..0..1....0..0..1..0....2..2..1..2
CROSSREFS
Cf. A265882.
Sequence in context: A159705 A229678 A261528 * A203609 A265617 A324597
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 17 2015
STATUS
approved

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Last modified July 22 15:42 EDT 2024. Contains 374540 sequences. (Running on oeis4.)