id:A084309 - OEIS Search Results

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a(n)=GCD[p(n)-1,n].

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8

1, 2, 1, 2, 5, 6, 1, 2, 1, 2, 1, 12, 1, 14, 1, 4, 1, 6, 1, 10, 3, 2, 1, 8, 1, 2, 3, 2, 1, 2, 1, 2, 1, 2, 1, 6, 1, 2, 1, 4, 1, 6, 1, 4, 1, 2, 1, 6, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 20, 1, 2, 9, 2, 13, 2, 1, 4, 1, 2, 1, 2, 1, 2, 3, 2, 1, 6, 1, 8, 1, 2, 1, 12, 1, 2, 1, 8, 1, 6, 1, 2, 3, 2, 1, 2, 1, 2, 9, 20, 1, 2 (list; graph; listen)

	OFFSET	`1,2`
	MATHEMATICA	`Table[GCD[Prime[w]-1, w], {w, 1, 128}]`
	CROSSREFS	`Cf. A084310-A084316.` `Sequence in context: A111934 A098509 A019910 this_sequence A047991 A120898 A153910` `Adjacent sequences: A084306 A084307 A084308 this_sequence A084310 A084311 A084312`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Jun 13 2003`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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