|
%I #15 Sep 08 2022 08:45:35
%S 2,59,97,173,211,401,439,743,857,971,1009,1123,1237,1427,1579,1693,
%T 1997,2111,2339,2377,2719,2833,2909,3023,3061,3137,3251,3517,3593,
%U 3631,3821,4049,4201,4391,4657,4733,4999,5113,5189,5227,5303,5417,5531,5569,5683
%N Primes congruent to 2 mod 19.
%H Vincenzo Librandi, <a href="/A141869/b141869.txt">Table of n, a(n) for n = 1..1000</a>
%F {2} UNION A142152. - _R. J. Mathar_, Jul 20 2008
%F a(n) ~ 18n log n. - _Charles R Greathouse IV_, Jul 02 2016
%t Select[Range[2,5000,19],PrimeQ[#]&] (* _Vladimir Joseph Stephan Orlovsky_, Mar 31 2011*)
%o (Magma) [p: p in PrimesUpTo(6000) | p mod 19 eq 2]; // _Vincenzo Librandi_, Aug 06 2012
%o (PARI) is(n)=isprime(n) && n%19==2 \\ _Charles R Greathouse IV_, Jul 02 2016
%Y Cf. A105854, A141881, A141882, A141883.
%K nonn,easy
%O 1,1
%A _N. J. A. Sloane_, Jul 11 2008
|
