id:A072699 - OEIS Search Results

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Number of prime factors of A072697(n).

+0
4

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

	OFFSET	`1,7`
	COMMENT	`a(n) = A001222(A072697(n)) = A001221(A072697(n)).`
	EXAMPLE	`a(19)=A001222(A072697(19))=A001222(42)=A001222(237)=3.`
	CROSSREFS	`Cf. A072698, A072700.` `Sequence in context: A020906 A097305 A120675 this_sequence A003651 A073203 A073204` `Adjacent sequences: A072696 A072697 A072698 this_sequence A072700 A072701 A072702`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Jul 04 2002`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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