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A106088 Primes p such that 7*p + 6 and 6*p + 7 are primes. 0
5, 11, 31, 61, 71, 109, 199, 229, 241, 269, 281, 379, 389, 419, 431, 499, 541, 571, 631, 641, 709, 739, 809, 1049, 1061, 1069, 1091, 1231, 1259, 1289, 1291, 1429, 1439, 1451, 1489, 1499, 1571, 1601, 1621, 1831, 1861, 1931, 1949, 2011, 2069, 2089, 2099, 2239 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..48.

MATHEMATICA

Select[Prime[Range[220]], PrimeQ[6#+7]&&PrimeQ[7#+6]&]

PROG

(MAGMA) [p: p in PrimesUpTo(10000)| IsPrime(7*p+6) and IsPrime(6*p+7)]; // Vincenzo Librandi, Nov 13 2010

CROSSREFS

Sequence in context: A280081 A057470 A038580 * A246010 A077446 A023276

Adjacent sequences:  A106085 A106086 A106087 * A106089 A106090 A106091

KEYWORD

nonn

AUTHOR

Zak Seidov, May 07 2005

EXTENSIONS

More terms from Vincenzo Librandi, Apr 01 2010

STATUS

approved

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Last modified September 20 19:47 EDT 2021. Contains 347589 sequences. (Running on oeis4.)