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A157974
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Numbers n such that n and 12*n+11 are primes.
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4
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3, 5, 13, 19, 29, 31, 41, 53, 59, 61, 71, 73, 101, 109, 113, 131, 151, 173, 199, 211, 223, 239, 241, 251, 263, 283, 293, 313, 389, 409, 419, 439, 449, 491, 503, 521, 523, 571, 593, 631, 641, 643, 659, 673, 701, 733, 769, 809, 811, 823, 839, 853, 883, 929, 953
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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MATHEMATICA
| q=11; lst={}; Do[p=Prime[n]; If[PrimeQ[(q+1)*p+q], AppendTo[lst, p]], {n, 6!}]; lst
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CROSSREFS
| Cf. A136082, A136083, A023213, A023221, A023235, A023240
Sequence in context: A136053 A157468 A191017 * A019420 A019358 A081353
Adjacent sequences: A157971 A157972 A157973 * A157975 A157976 A157977
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KEYWORD
| nonn
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AUTHOR
| Vladimir Orlovsky (4vladimir(AT)gmail.com), Mar 10 2009
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