id:A076734 - OEIS Search Results

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Smallest square-free number >= n having the same number of prime factors as n (counted with multiplicity).

+0
5

1, 2, 3, 6, 5, 6, 7, 30, 10, 10, 11, 30, 13, 14, 15, 210, 17, 30, 19, 30, 21, 22, 23, 210, 26, 26, 30, 30, 29, 30, 31, 2310, 33, 34, 35, 210, 37, 38, 39, 210, 41, 42, 43, 66, 66, 46, 47, 2310, 51, 66, 51, 66, 53, 210, 55, 210, 57, 58, 59, 210, 61, 62, 66, 30030, 65, 66, 67 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`n is square-free iff a(n) = n; A001222(a(n)) = A001222(n).`
	CROSSREFS	`Cf. A005117, A067535.` `Sequence in context: A051377 A057723 A003968 this_sequence A097723 A087786 A080950` `Adjacent sequences: A076731 A076732 A076733 this_sequence A076735 A076736 A076737`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 08 2002`

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Last modified September 5 19:27 EDT 2008. Contains 143485 sequences.

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