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A151596 Number of permutations of 3 indistinguishable copies of 1..n arranged in a circle with exactly 8 adjacent element pairs in decreasing order. 0
0, 720, 22306500, 44859920256, 30335281455906, 11524809684506112 (list; graph; refs; listen; history; text; internal format)
OFFSET
3,2
LINKS
Table of n, a(n) for n=3..8.
CROSSREFS
Sequence in context: A008979 A158044 A181751 * A068300 A003792 A208192
Adjacent sequences: A151593 A151594 A151595 * A151597 A151598 A151599
KEYWORD
nonn
AUTHOR
R. H. Hardin May 21 2009
STATUS
approved

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Last modified May 16 08:41 EDT 2024. Contains 372552 sequences. (Running on oeis4.)