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A266454
Number of nX4 arrays of permutations of 4 copies of 0..n-1 with no element 1 greater than its north neighbor modulo n and the upper left element equal to 0.
0
1, 3, 357, 442285, 1548940233, 12959331192279, 218375094825289861
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OFFSET
1,2
COMMENTS
Column 4 of
A266455
.
LINKS
Table of n, a(n) for n=1..7.
EXAMPLE
Some solutions for n=3
..0..0..2..1....0..1..0..1....0..2..1..1....0..1..0..2....0..1..2..2
..2..2..1..1....2..0..2..1....2..2..1..0....2..1..0..1....0..1..1..2
..2..1..0..0....1..2..2..0....1..2..0..0....2..1..2..0....0..0..1..2
CROSSREFS
Cf.
A266455
.
Sequence in context:
A157591
A005336
A062226
*
A288948
A297483
A355753
Adjacent sequences:
A266451
A266452
A266453
*
A266455
A266456
A266457
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Dec 29 2015
STATUS
approved
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Last modified April 23 11:07 EDT 2024. Contains 371905 sequences. (Running on oeis4.)