id:A029807 - OEIS Search Results

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1/(8n) * sum over d|n of {mu(n/d) * (2d choose d)^3}.

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1, 13, 333, 10712, 400075, 16435017, 721861385, 33308540000, 1596292110000, 78832566399375, 3989172320345245, 205979496842877048, 10817872108002076923, 576440295110730997877, 31102930647624990624975 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A132485 A012492 A142543 this_sequence A097308 A041315 A041312` `Adjacent sequences: A029804 A029805 A029806 this_sequence A029808 A029809 A029810`
	KEYWORD	`nonn`
	AUTHOR	`Lionel Levine (levine(AT)ultranet.com)`
	EXTENSIONS	`More terms from Erich Friedman (erich.friedman(AT)stetson.edu).`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research