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A159730 Number of permutations of 4 indistinguishable copies of 1..n arranged in a circle with exactly 4 local maxima. 0
2, 15042, 18059184, 11195742340, 5293792219344 (list; graph; refs; listen; history; internal format)
OFFSET

2,1

CROSSREFS

Sequence in context: A070832 A170994 A151599 * A158344 A124364 A173156

Adjacent sequences:  A159727 A159728 A159729 * A159731 A159732 A159733

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net) Apr 20 2009

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Last modified February 16 21:51 EST 2012. Contains 205978 sequences.