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%I #9 Sep 08 2022 08:45:36
%S 103,421,739,1163,1481,1693,2011,2647,2753,3389,3919,5297,5827,6569,
%T 6781,7417,7523,7841,8053,8689,9007,9431,9643,9749,10067,10597,11551,
%U 11657,12611,12823,13883,14519,14731,15473,15791,16427,17911,18229,19183,19289,19501
%N Primes congruent to 50 mod 53.
%H Vincenzo Librandi, <a href="/A142580/b142580.txt">Table of n, a(n) for n = 1..1000</a>
%F a(n) ~ 52n log n. - _Charles R Greathouse IV_, Jul 04 2016
%t Select[Prime[Range[2600]], MemberQ[{50}, Mod[#, 53]] &] (* _Vincenzo Librandi_, Aug 30 2012 *)
%o (Magma) [p: p in PrimesUpTo(20000) | p mod 53 eq 50]; // _Vincenzo Librandi_, Aug 30 2012
%o (PARI) is(n)=isprime(n) && n%53==50 \\ _Charles R Greathouse IV_, Jul 04 2016
%Y Cf. A000040.
%K nonn,easy
%O 1,1
%A _N. J. A. Sloane_, Jul 11 2008