id:A130724 - OEIS Search Results

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a(n) = LCM(3,n)/GCD(3,n)

+0
1

0, 3, 6, 1, 12, 15, 2, 21, 24, 3, 30, 33, 4, 39, 42, 5, 48, 51, 6, 57, 60, 7, 66, 69, 8, 75, 78, 9, 84, 87, 10, 93, 96, 11, 102, 105, 12, 111, 114, 13, 120, 123, 14, 129, 132, 15, 138, 141, 150, 17, 156, 159, 18, 165, 168, 19, 174, 177 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`A109044/A109007`
	EXAMPLE	`a(7)=21 because LCM(3,7)=21 and GCD(3,7)=1.`
	CROSSREFS	`Cf. A109044, A109007.` `Sequence in context: A108591 A110119 A026250 this_sequence A120229 A123534 A100960` `Adjacent sequences: A130721 A130722 A130723 this_sequence A130725 A130726 A130727`
	KEYWORD	`easy,nonn`
	AUTHOR	`Neville Holmes (neville.holmes(AT)utas.edu.au), Jul 04 2007`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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