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A136143
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First of six consecutive primes that are three sets of twin primes.
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0
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5, 179, 809, 3359, 4217, 6761, 9419, 9431, 18041, 21587, 26861, 49367, 62969, 62981, 67187, 72221, 72227, 80447, 82721, 91127, 97841, 98897, 103967, 109829, 122597, 154157, 178037, 203321, 208931, 225749, 227609, 236867, 243671, 251201
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Could be called unrestricted prime sextets.
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MATHEMATICA
| lst={}; Do[p0=Prime[n]; p1=Prime[n+1]; p2=Prime[n+2]; p3=Prime[n+3]; p4=Prime[n+4]; p5=Prime[n+5]; If[p1-p0==2&&p3-p2==2&&p5-p4==2, AppendTo[lst, p0]], {n, 8!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Apr 02 2010]
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CROSSREFS
| Cf. A090953. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 28 2008]
Sequence in context: A200796 A194571 A141981 * A035791 A162136 A053363
Adjacent sequences: A136140 A136141 A136142 * A136144 A136145 A136146
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KEYWORD
| nonn
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AUTHOR
| Harry J. Smith (hjsmithh(AT)sbcglobal.net), Dec 16 2007
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