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A159731 Number of permutations of 4 indistinguishable copies of 1..n arranged in a circle with exactly 5 local maxima. 0
0, 2988, 27458352, 61383379820, 81667937763552 (list; graph; refs; listen; history; internal format)
OFFSET

2,2

CROSSREFS

Sequence in context: A120373 A186866 A108926 * A205241 A158963 A178326

Adjacent sequences:  A159728 A159729 A159730 * A159732 A159733 A159734

KEYWORD

nonn

AUTHOR

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

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Last modified February 16 20:14 EST 2012. Contains 205962 sequences.