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A151604 Number of permutations of 5 indistinguishable copies of 1..n arranged in a circle with exactly 3 adjacent element pairs in decreasing order. 0
0, 120, 23580, 1041140, 31611675, 836679060 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Sequence in context: A121012 A151985 A105188 * A104008 A054778 A027493

Adjacent sequences:  A151601 A151602 A151603 * A151605 A151606 A151607

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net) May 21 2009

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Last modified February 14 15:26 EST 2012. Contains 205628 sequences.