id:A023271 - OEIS Search Results

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Numbers n such that n remains prime through 3 iterations of function f(x) = x + 6.

+0
7

5, 11, 41, 61, 251, 601, 641, 1091, 1481, 1601, 1741, 1861, 2371, 2671, 3301, 3911, 4001, 5101, 5381, 5431, 5641, 6311, 6361, 9461, 11821, 12101, 12641, 13451, 14621, 14741, 15791, 15901, 17471, 18211, 19471, 20341, 21481, 23321, 24091, 26171, 26681 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Smallest member of a sexy prime quadruple: value of p where (p,p+6,p+12,p+18) are all prime.`
	LINKS	`Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.`
	CROSSREFS	`Cf. A023201, A046117.` `Cf. A046122, A046123, A046124.` `Sequence in context: A063626 A089441 A046121 this_sequence A047976 A006382 A055113` `Adjacent sequences: A023268 A023269 A023270 this_sequence A023272 A023273 A023274`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified July 8 18:40 EDT 2008. Contains 141013 sequences.

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