id:A105444 - OEIS Search Results

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a(n) = the smallest prime p such that p+6 and q+6 are prime; q is the n-th prime after p.

+0
4

5, 5, 5, 5, 7, 5, 7, 5, 5, 5, 7, 5, 5, 7, 5, 5, 7, 5, 7, 5, 7, 5, 5, 5, 5, 13, 11, 7, 5, 13, 11, 7, 5, 5, 7, 5, 5, 11, 7, 5, 5, 13, 11, 7, 5, 5, 7, 5, 11, 7, 5, 5, 5, 7, 5, 5, 13, 11, 7, 5, 5, 11, 7, 5, 7, 5, 7, 5, 7, 5, 5, 7, 5, 37, 23, 37, 17, 13, 11, 7, 5, 7, 5, 7, 5, 5, 23, 37, 17, 13, 11, 7 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(2)=5 because 5+6 and 11+6 are primes.`
	CROSSREFS	`Cf. A105439, A105443, A105445.` `Sequence in context: A001735 A076568 A139259 this_sequence A033299 A071577 A003870` `Adjacent sequences: A105441 A105442 A105443 this_sequence A105445 A105446 A105447`
	KEYWORD	`nonn`
	AUTHOR	`Cino Hilliard (hillcino368(AT)gmail.com), May 02 2005`
	EXTENSIONS	`Edited by Don Reble (djr(AT)nk.ca), Jun 11 2007`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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