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A166005 Primes p such that 8*p+15 is also a prime. 1

%I #15 Sep 08 2022 08:45:48

%S 2,7,11,17,19,23,31,37,43,53,59,61,73,79,89,101,103,109,113,127,131,

%T 151,163,173,179,191,193,199,227,229,233,311,317,331,337,347,359,373,

%U 383,397,431,439,443,449,457,463,479,487,491,499,547,563,569,571,593,607

%N Primes p such that 8*p+15 is also a prime.

%H G. C. Greubel, <a href="/A166005/b166005.txt">Table of n, a(n) for n = 1..10000</a>

%t f[n_]:=PrimeQ[8*n+15]; lst={};Do[p=Prime[n];If[f[p],AppendTo[lst,p]],{n,6!}];lst

%o (Magma) [p: p in PrimesUpTo(1000)|IsPrime(8*p+15)] // _Vincenzo Librandi_, Jan 29 2011

%K nonn

%O 1,1

%A _Vladimir Joseph Stephan Orlovsky_, Oct 03 2009

%E Edited by _N. J. A. Sloane_, Oct 04 2009

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Last modified April 24 13:07 EDT 2024. Contains 371945 sequences. (Running on oeis4.)