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Search: id:A151607
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A151607 Number of permutations of 6 indistinguishable copies of 1..n arranged in a circle with exactly 2 adjacent element pairs in decreasing order. +0
1
0, 150, 2763, 28236, 251205, 2116386 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Sequence in context: A054558 A073614 A088361 this_sequence A135968 A135969 A128963

Adjacent sequences: A151604 A151605 A151606 this_sequence A151608 A151609 A151610

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) May 21 2009

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Last modified March 20 09:10 EDT 2010. Contains 173642 sequences.

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