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A151595 Number of permutations of 3 indistinguishable copies of 1..n arranged in a circle with exactly 7 adjacent element pairs in decreasing order. 0
0, 15048, 53145540, 33478094610, 9810742830462, 1894605563973312 (list; graph; refs; listen; history; internal format)
OFFSET

3,2

CROSSREFS

Sequence in context: A200090 A147578 A205022 * A187423 A186215 A206410

Adjacent sequences:  A151592 A151593 A151594 * A151596 A151597 A151598

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net) May 21 2009

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Last modified February 16 03:44 EST 2012. Contains 205860 sequences.