id:A130087 - OEIS Search Results

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

+0
5

1, 2, 6, 6, 30, 5, 35, 35, 35, 7, 77, 77, 1001, 143, 143, 143, 2431, 2431, 46189, 46189, 46189, 4199, 96577, 96577, 96577, 7429, 7429, 7429, 215441, 215441, 6678671, 6678671, 6678671, 392863, 392863, 392863, 14535931, 765049, 765049, 765049 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`Leroy Quet, Home Page (listed in lieu of email address)`
	MAPLE	`with(numtheory): a:=n->denom(product(k^mobius(k), k=1..n)): seq(a(n), n=1..50); - Emeric Deutsch (deutsch(AT)duke.poly.edu), May 11 2007`
	CROSSREFS	`Cf. A130086, A130088, A130089.` `Sequence in context: A105725 A005226 A087310 this_sequence A085087 A072983 A055204` `Adjacent sequences: A130084 A130085 A130086 this_sequence A130088 A130089 A130090`
	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 November 24 23:16 EST 2009. Contains 167481 sequences.

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