id:A126253 - OEIS Search Results

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a(n) = n-th integer from among those positive integers which are each coprime to exactly one prime dividing n.

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3, 4, 7, 6, 10, 8, 15, 13, 18, 12, 22 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`The positive integers which are each coprime to exactly one prime dividing 12 form the sequence: 2,3,4,8,9,10,14,15,16,20,21,22,26,27,28...The 12th of these is 22; so a(12) = 22.`
	CROSSREFS	`Cf. A128487.` `Sequence in context: A096842 A086469 A087030 this_sequence A057032 A113957 A073185` `Adjacent sequences: A126250 A126251 A126252 this_sequence A126254 A126255 A126256`
	KEYWORD	`more,nonn`
	AUTHOR	`Leroy Quet (qq-quet(AT)mindspring.com), Mar 08 2007`

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