A151608 - OEIS

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A151608

Number of permutations of 6 indistinguishable copies of 1..n arranged in a circle with exactly 3 adjacent element pairs in decreasing order.

0, 400, 78900, 4232384, 164553580, 5706469776 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A006764 A108034 A187051 * A022232 A151652 A197441` `Adjacent sequences: A151605 A151606 A151607 * A151609 A151610 A151611`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net) May 21 2009`

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Last modified February 17 13:28 EST 2012. Contains 206031 sequences.