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A023211
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Numbers n such that n and 3n + 10 both prime.
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0
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3, 7, 11, 17, 19, 23, 29, 31, 43, 47, 61, 67, 71, 73, 89, 101, 107, 109, 113, 137, 149, 151, 163, 179, 197, 199, 211, 227, 233, 239, 241, 271, 281, 283, 337, 347, 353, 359, 373, 397, 401, 409, 431, 439, 457, 463, 479, 487, 491, 523, 563, 571, 577, 593, 607, 617, 619, 641
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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MATHEMATICA
| f[n_]:=PrimeQ[(n+2)*3+4]; lst={}; Do[p=Prime[n]; If[f[p], AppendTo[lst, p]], {n, 6!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Oct 12 2009]
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PROG
| (MAGMA) [n: n in [0..1000] | IsPrime(n) and IsPrime(3*n+10)] [From V.Librandi, Nov 20 2010]
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CROSSREFS
| Sequence in context: A118000 A121640 A112786 * A038981 A065376 A130090
Adjacent sequences: A023208 A023209 A023210 * A023212 A023213 A023214
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KEYWORD
| nonn
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AUTHOR
| David W. Wilson (davidwwilson(AT)comcast.net)
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