id:A067029 - OEIS Search Results

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Exponent of least prime factor in prime factorization of n, a(1)=0.

+0
13

0, 1, 1, 2, 1, 1, 1, 3, 2, 1, 1, 2, 1, 1, 1, 4, 1, 1, 1, 2, 1, 1, 1, 3, 2, 1, 3, 2, 1, 1, 1, 5, 1, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 2, 2, 1, 1, 4, 2, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 2, 1, 1, 2, 6, 1, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 2, 1, 1, 1, 4, 4, 1, 1, 2, 1, 1, 1, 3, 1, 1 (list; graph; listen)

	OFFSET	`1,4`
	COMMENT	`Even bisection is A001511: a(2n) = A007814(n) + 1. - Ralf Stephan (ralf(AT)ark.in-berlin.de), Jan 31 2004`
	LINKS	`T. D. Noe, Table of n, a(n) for n=1..10000`
	FORMULA	`A028233(n) = A020639(n)^a(n). - Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), May 13 2006`
	EXAMPLE	`a(18) = a(2^1 * 3^2) = 1.`
	CROSSREFS	`Cf. A051903, A020639, A028233, A034684.` `Sequence in context: A115568 A072909 A095691 this_sequence A087179 A088388 A070013` `Adjacent sequences: A067026 A067027 A067028 this_sequence A067030 A067031 A067032`
	KEYWORD	`nonn,nice`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Feb 17 2002`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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