id:A087560 - OEIS Search Results

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Smallest m>n such that GCD(m,n^2)=n.

+0
3

2, 6, 6, 12, 10, 30, 14, 24, 18, 30, 22, 60, 26, 42, 30, 48, 34, 90, 38, 60, 42, 66, 46, 120, 50, 78, 54, 84, 58, 210, 62, 96, 66, 102, 70, 180, 74, 114, 78, 120, 82, 210, 86, 132, 90, 138, 94, 240, 98, 150, 102, 156, 106, 270, 110, 168, 114, 174, 118, 420, 122 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`a(n)=nA053669(n).` `Equals n multiplied by the least nontrivial number coprime to n. - Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 20 2005` `A000005(a(n)) = 2A000005(n) = A062011(n). - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 17 2006`
	CROSSREFS	`Cf. A119416.` `Adjacent sequences: A087557 A087558 A087559 this_sequence A087561 A087562 A087563` `Sequence in context: A062562 A106832 A129902 this_sequence A071892 A064797 A053319`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 24 2003`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

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