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A126329 Primes of the form 6p+5 where p is a prime. 1

%I

%S 17,23,47,71,83,107,179,191,227,251,263,359,431,443,479,503,587,647,

%T 659,683,827,839,911,947,983,1091,1151,1163,1187,1367,1439,1451,1511,

%U 1583,1619,1667,1847,1871,1907,2027,2087,2099,2207,2243,2339,2411,2459,2531,2591

%N Primes of the form 6p+5 where p is a prime.

%H Harvey P. Dale, <a href="/A126329/b126329.txt">Table of n, a(n) for n = 1..1000</a>

%t lst={};Do[p=Prime[n];p=6*p+5;If[PrimeQ[p],AppendTo[lst,p]],{n,6!}];lst (* _Vladimir Joseph Stephan Orlovsky_, Apr 04 2009 *)

%t 6#+5&/@Select[Prime[Range[100]],PrimeQ[6#+5]&] (* _Harvey P. Dale_, Dec 31 2015 *)

%Y For the corresponding primes p, see A023221.

%K nonn

%O 1,1

%A _J. M. Bergot_, Mar 09 2007

%E Corrected and extended by _N. J. A. Sloane_, Mar 10 2007

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Last modified June 6 18:59 EDT 2020. Contains 334832 sequences. (Running on oeis4.)