A152506 - OEIS

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A152506

1/5 of the number of permutations of 4 indistinguishable copies of 1..n with exactly 4 local maxima.

0, 1, 3277, 2483739, 1156102209, 443469188267, 156475306087585 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,3`
	CROSSREFS	`Sequence in context: A048959 A141629 A116460 * A015326 A043472 A203859` `Adjacent sequences: A152503 A152504 A152505 * A152507 A152508 A152509`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net), Dec 06 2008`

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Last modified February 16 10:32 EST 2012. Contains 205904 sequences.