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A159723 Number of permutations of 3 indistinguishable copies of 1..n arranged in a circle with exactly 3 local maxima. +0
1
2, 924, 130672, 11798800, 882163680, 60299781248, 3933244436480 (list; graph; listen)
OFFSET

2,1

CROSSREFS

Sequence in context: A128667 A050247 A159705 this_sequence A070967 A070927 A070922

Adjacent sequences: A159720 A159721 A159722 this_sequence A159724 A159725 A159726

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Apr 20 2009

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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