id:A058060 - OEIS Search Results

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Number of distinct prime factors of d(n), the number of divisors of n.

+0
5

0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 2, 2, 1, 1, 1, 1, 1, 1 (list; graph; listen)

	OFFSET	`0,12`
	FORMULA	`a(n)=A001221(A000005(n))`
	EXAMPLE	`n=120=8.3.5, d(n)=16, a(n)=1.`
	CROSSREFS	`A001221, A000005, A058061.` `Sequence in context: A102855 A124148 A088530 this_sequence A088323 A003652 A071625` `Adjacent sequences: A058057 A058058 A058059 this_sequence A058061 A058062 A058063`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Nov 23 2000`

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Last modified July 4 18:25 EDT 2008. Contains 140886 sequences.

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