%I #15 Oct 28 2024 18:47:50
%S 1,5,7,11,17,19,23,25,29,31,37,43,49,53,59,61,65,67,71,77,89,91,95,
%T 107,109,113,115,119,121,127,133,143,149,155,157,163,169,173,175,179,
%U 185,187,191,193,197,215,217,221,235,241,245,253,257,259,263,271,283,287
%N Numbers n such that 5*n + 12 is prime.
%e If n=109 then 5*n + 12 = 557 (prime).
%t Select[Range[300], PrimeQ[5 # + 12] &]
%o (Magma) [n: n in [0..100000] |IsPrime(5*n+12)]; // _Vincenzo Librandi_, Nov 13 2010
%o (PARI) is(n)=isprime(5*n+12) \\ _Charles R Greathouse IV_, Jun 13 2017
%Y Cf. A024894, A087505, A024897, A081759.
%K nonn,easy
%O 1,2
%A _Parthasarathy Nambi_, Oct 26 2005