id:A121998 - OEIS Search Results

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A121998

Table, n-th row gives numbers between 1 and n that have a common factor with n.

+0
1

2, 3, 2, 4, 5, 2, 3, 4, 6, 7, 2, 4, 6, 8, 3, 6, 9, 2, 4, 5, 6, 8, 10, 11, 2, 3, 4, 6, 8, 9, 10, 12, 13, 2, 4, 6, 7, 8, 10, 12, 14, 3, 5, 6, 9, 10, 12, 15, 2, 4, 6, 8, 10, 12, 14, 16, 17, 2, 3, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 19, 2, 4, 5, 6, 8, 10, 12, 14, 15, 16, 18, 20, 3, 6, 7, 9, 12, 14, 15 (list; graph; listen)

	OFFSET	`2,1`
	EXAMPLE	`2; 3; 2,4; 5; 2,3,4,6; 7; ...`
	CROSSREFS	`Cf. A051953 (row lengths), A038566.` `Sequence in context: A071494 A071495 A071515 this_sequence A120499 A027749 A029638` `Adjacent sequences: A121995 A121996 A121997 this_sequence A121999 A122000 A122001`
	KEYWORD	`nonn,tabf`
	AUTHOR	`Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net), Sep 11 2006`

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Last modified December 5 17:24 EST 2009. Contains 170342 sequences.

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