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%I #12 Sep 08 2022 08:45:35
%S 31,107,373,449,487,563,601,677,829,1019,1171,1361,1399,1627,1741,
%T 1931,2083,2273,2311,2539,2729,2767,2843,2957,3109,3299,3413,3527,
%U 3793,3907,4021,4211,4363,4591,4933,5009,5237,5351,5503,5693,5807,6073,6263,6301
%N Primes congruent to 12 mod 19.
%H Vincenzo Librandi, <a href="/A141877/b141877.txt">Table of n, a(n) for n = 1..1000</a>
%F a(n) ~ 18n log n. - _Charles R Greathouse IV_, Jul 03 2016
%t Select[Range[12,5000,19],PrimeQ[#]&] (* _Vladimir Joseph Stephan Orlovsky_, Mar 31 2011*)
%o (Magma) [p: p in PrimesUpTo(7000) | p mod 19 eq 12 ]; // _Vincenzo Librandi_, Aug 15 2012
%o (PARI) is(n)=isprime(n) && n%19==12 \\ _Charles R Greathouse IV_, Jul 03 2016
%Y Cf. A000040.
%K nonn,easy
%O 1,1
%A _N. J. A. Sloane_, Jul 11 2008
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