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A046122
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Second member of a sexy prime quadruple: value of p+6 such that p, p+6, p+12 and p+18 are all prime.
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4
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11, 17, 47, 67, 257, 607, 647, 1097, 1487, 1607, 1747, 1867, 2377, 2677, 3307, 3917, 4007, 5107, 5387, 5437, 5647, 6317, 6367, 9467, 11827, 12107, 12647, 13457, 14627, 14747, 15797, 15907, 17477, 18217, 19477, 20347, 21487, 23327, 24097
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..39.
Eric Weisstein's World of Mathematics, Sexy Primes.
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FORMULA
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a(n) = 6 + A023271(n) = A046123(n) - 6. - R. J. Mathar, Jun 28 2012
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MATHEMATICA
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lst={}; Do[p=Prime[n]; If[PrimeQ[p+6]&&PrimeQ[p+12]&&PrimeQ[p+18], AppendTo[lst, p+6]], {n, 8!}]; lst (* Vladimir Joseph Stephan Orlovsky, Aug 29 2008 *)
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CROSSREFS
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Cf. A023201, A046117, A046123, A046124.
Sequence in context: A191456 A146036 A248482 * A217064 A242244 A228031
Adjacent sequences: A046119 A046120 A046121 * A046123 A046124 A046125
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KEYWORD
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nonn
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AUTHOR
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Eric W. Weisstein
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STATUS
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approved
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