id:A117358 - OEIS Search Results

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((n/lpf(n))/lpf(n/lpf(n)))/lpf((n/lpf(n))/lpf(n/lpf(n))), where lpf=A020639, least prime factor.

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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 4, 1, 1, 1, 3, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 6, 1, 1, 1, 1, 1, 3, 1, 7, 1, 1, 1, 5, 1, 1, 1, 8, 1, 1, 1, 1, 1, 1, 1, 9, 1, 1, 1, 1, 1, 1, 1, 10, 3, 1, 1, 7, 1, 1, 1, 11, 1, 5, 1, 1, 1, 1, 1, 12, 1, 1, 1, 5, 1, 1, 1 (list; graph; listen)

	OFFSET	`1,16`
	COMMENT	`a(n) = A032742(A032742(A032742(n))) = A032742(A054576(n)) = A054576(n)/A115561(n);` `a(A037144(n))=1, a(A033987(n))>1.`
	LINKS	`Eric Weisstein's World of Mathematics, Least Prime Factor`
	CROSSREFS	`Cf. A014673.` `Sequence in context: A101875 A081387 A059895 this_sequence A062378 A073753 A078090` `Adjacent sequences: A117355 A117356 A117357 this_sequence A117359 A117360 A117361`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 10 2006`

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

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