%I #9 Sep 08 2022 08:45:36
%S 227,313,571,743,829,1087,1259,1861,2377,2549,3323,3581,4441,4871,
%T 4957,5387,5903,6247,6763,7193,7451,7537,8053,8311,8741,8999,9257,
%U 9343,9601,9859,10289,10891,11149,11321,11579,11923,12611,12697,13127,13729,13901
%N Primes congruent to 12 mod 43.
%H Vincenzo Librandi, <a href="/A142261/b142261.txt">Table of n, a(n) for n = 1..1000</a>
%F a(n) ~ 42n log n. - _Charles R Greathouse IV_, Jul 03 2016
%t Select[Prime[Range[5000]],MemberQ[{12},Mod[#,43]]&] (* _Vincenzo Librandi_, Aug 25 2012 *)
%o (Magma) [p: p in PrimesUpTo(17000) | p mod 43 eq 12 ]; // _Vincenzo Librandi_, Aug 25 2012
%o (PARI) is(n)=isprime(n) && n%43==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