id:A071187 - OEIS Search Results

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Smallest prime factor of number of divisors of n.

+0
3

1, 2, 2, 3, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 5, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(n) = A020639(A000005(n)).`
	CROSSREFS	`Cf. A071188, A071189.` `Sequence in context: A064569 A145989 A117183 this_sequence A134852 A071188 A163105` `Adjacent sequences: A071184 A071185 A071186 this_sequence A071188 A071189 A071190`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 15 2002`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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