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Primes p such that 3*p + 14 and 14*p + 3 are primes.
1

%I #12 Sep 08 2022 08:45:17

%S 5,11,19,29,41,59,61,71,79,89,139,149,191,211,229,269,271,311,349,379,

%T 389,421,431,479,541,599,619,631,661,691,709,761,809,821,929,941,971,

%U 1051,1069,1229,1249,1279,1289,1301

%N Primes p such that 3*p + 14 and 14*p + 3 are primes.

%H Michael De Vlieger, <a href="/A106071/b106071.txt">Table of n, a(n) for n = 1..10000</a>

%t Select[Prime[Range[220]], PrimeQ[14#+3]&&PrimeQ[3#+14]&]

%o (Magma) [p: p in PrimesUpTo(5000)|IsPrime(3*p+14) and IsPrime(14*p+3)] // _Vincenzo Librandi_, Jan 30 2011

%K nonn

%O 1,1

%A _Zak Seidov_, May 07 2005