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A112391
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Primes p such that 23*p + 2 is also prime.
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1
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3, 7, 19, 37, 43, 67, 103, 157, 193, 277, 337, 367, 373, 379, 397, 439, 457, 463, 547, 607, 829, 859, 877, 919, 1009, 1033, 1039, 1117, 1129, 1213, 1249, 1297, 1429, 1543, 1579, 1627, 1657, 1699, 1723, 1759, 1783, 1789, 1867, 1993, 1999, 2053, 2083, 2089
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| If p=277 then 23*p + 2 = 6373 (prime).
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PROG
| (PARI) forprime(p=2, 5000, if(isprime(23*p+2), print1(p, ", "))) (Herrgesell)
(MAGMA) [p: p in PrimesUpTo(3000)| IsPrime(23*p+2)] [From Vincenzo Librandi, Jan 29 2011]
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CROSSREFS
| Cf. A023208.
Sequence in context: A145039 A113916 A049490 * A127928 A047025 A173114
Adjacent sequences: A112388 A112389 A112390 * A112392 A112393 A112394
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KEYWORD
| nonn
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AUTHOR
| Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Dec 04 2005
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EXTENSIONS
| More terms from Lambert Herrgesell (zero815(AT)googlemail.com), Dec 09 2005
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