A152498 - OEIS

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A152498

1/3 of the number of permutations of 2 indistinguishable copies of 1..n with exactly 6 local maxima.

0, 0, 0, 0, 0, 76739, 42734373, 10478384089, 1717626773713, 222419564005134 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,6`
	CROSSREFS	`Sequence in context: A183744 A104327 A046720 * A124489 A183694 A206275` `Adjacent sequences: A152495 A152496 A152497 * A152499 A152500 A152501`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net), Dec 06 2008`

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Last modified February 16 05:32 EST 2012. Contains 205860 sequences.