id:A079866 - OEIS Search Results

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a(1)=1 and for n>1: floor(n^(1/Omega(n))), where Omega(n) is the total number of prime factors of n (A001222).

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1, 2, 3, 2, 5, 2, 7, 2, 3, 3, 11, 2, 13, 3, 3, 2, 17, 2, 19, 2, 4, 4, 23, 2, 5, 5, 3, 3, 29, 3, 31, 2, 5, 5, 5, 2, 37, 6, 6, 2, 41, 3, 43, 3, 3, 6, 47, 2, 7, 3, 7, 3, 53, 2, 7, 2, 7, 7, 59, 2, 61, 7, 3, 2, 8, 4, 67, 4, 8, 4, 71, 2, 73, 8, 4, 4, 8, 4, 79, 2, 3, 9, 83, 3, 9, 9, 9, 3, 89, 3, 9, 4, 9, 9, 9, 2 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(n)<=A079868(n); A020639(n)<=a(n)<=A006530(n);` `a(m)=A079868(m)=A079870(m) iff m is a prime power (A000961).`
	CROSSREFS	`A079867(n)=a(n)^A001222(n).` `Cf. A079749, A079747.` `Adjacent sequences: A079863 A079864 A079865 this_sequence A079867 A079868 A079869` `Sequence in context: A071889 A091963 A067695 this_sequence A134332 A080210 A126594`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jan 13 2003`

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Last modified October 15 09:18 EDT 2008. Contains 145015 sequences.

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