id:A130086 - OEIS Search Results

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a(n) = numerator of product{k=1 to n} k^mu(k), where mu(k) = A008683(k).

+0
5

1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 4, 60, 60, 60, 60, 60, 60, 1260, 2520, 2520, 2520, 2520, 5040, 5040, 5040, 5040, 168, 168, 168, 5544, 11088, 388080, 388080, 388080, 776160, 30270240, 30270240, 30270240, 720720, 720720, 720720, 720720, 1441440, 1441440 (list; graph; listen)

	OFFSET	`1,10`
	LINKS	`Leroy Quet, Home Page (listed in lieu of email address)`
	MAPLE	`with(numtheory): a:=n->numer(product(k^mobius(k), k=1..n)): seq(a(n), n=1..54); - Emeric Deutsch (deutsch(AT)duke.poly.edu), May 11 2007`
	CROSSREFS	`Cf. A130087, A130088, A130089.` `Sequence in context: A147751 A045948 A103512 this_sequence A084731 A066180 A123487` `Adjacent sequences: A130083 A130084 A130085 this_sequence A130087 A130088 A130089`
	KEYWORD	`frac,nonn`
	AUTHOR	`Leroy Quet May 06 2007`
	EXTENSIONS	`More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), May 11 2007`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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