id:A086410 - OEIS Search Results

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Smallest prime factor of 3-smooth numbers.

+0
6

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

	OFFSET	`1,2`
	COMMENT	`a(n) = A020639(A003586(n));` `a(n) <= A086411(n) <= 3.` `a(A033845(n))=A086411(A033845(n))-1; a(A006899(n))=A086411(A006899(n)). [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Sep 25 2008]`
	CROSSREFS	`Adjacent sequences: A086407 A086408 A086409 this_sequence A086411 A086412 A086413` `Sequence in context: A111497 A097051 A078832 this_sequence A147561 A103266 A072814`
	KEYWORD	`nonn,nice`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 18 2003`

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Last modified November 8 20:39 EST 2009. Contains 166234 sequences.

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