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Search: id:A151605
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A151605 Number of permutations of 5 indistinguishable copies of 1..n arranged in a circle with exactly 4 adjacent element pairs in decreasing order. +0
1
0, 40, 127260, 25681280, 2620321725, 205881818220 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Sequence in context: A159390 A167061 A159404 this_sequence A159428 A115482 A111401

Adjacent sequences: A151602 A151603 A151604 this_sequence A151606 A151607 A151608

KEYWORD

nonn

AUTHOR

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

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

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