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%I #9 Sep 08 2022 08:45:36
%S 163,269,587,1117,1223,1753,2389,2707,3343,3449,3767,4297,4721,4933,
%T 5039,5569,6311,6841,6947,7159,7477,7583,7901,8219,8431,8537,9067,
%U 9173,9491,10657,11399,11717,12671,14897,15427,16063,16381,16487,16699,17123,17971
%N Primes congruent to 4 mod 53.
%H Vincenzo Librandi, <a href="/A142534/b142534.txt">Table of n, a(n) for n = 1..1000</a>
%F a(n) ~ 52n log n. - _Charles R Greathouse IV_, Jul 03 2016
%t Select[Prime[Range[2600]], MemberQ[{4}, Mod[#, 53]] &] (* _Vincenzo Librandi_, Aug 29 2012 *)
%o (Magma) [p: p in PrimesUpTo(20000) | p mod 53 eq 4]; // _Vincenzo Librandi_, Aug 29 2012
%o (PARI) is(n)=isprime(n) && n%53==4 \\ _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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