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%I A142557 #9 Sep 08 2022 08:45:36
%S A142557 239,557,769,1087,1193,1511,1723,2677,3313,3631,4373,4691,4903,5009,
%T A142557 5857,6599,6917,7129,8719,9461,10627,10733,11369,12323,12641,12853,
%U A142557 12959,13171,13807,13913,14549,14867,16033,16139,16987,17093,17623,17729,18047,19001
%N A142557 Primes congruent to 27 mod 53.
%H A142557 Vincenzo Librandi, <a href="/A142557/b142557.txt">Table of n, a(n) for n = 1..1000</a>
%F A142557 a(n) ~ 52n log n. - _Charles R Greathouse IV_, Jul 04 2016
%t A142557 Select[Prime[Range[2600]], MemberQ[{27}, Mod[#, 53]] &] (* _Vincenzo Librandi_, Aug 30 2012 *)
%o A142557 (Magma) [p: p in PrimesUpTo(20000) | p mod 53 eq 27]; // _Vincenzo Librandi_, Aug 30 2012
%o A142557 (PARI) is(n)=isprime(n) && n%53==27 \\ _Charles R Greathouse IV_, Jul 04 2016
%Y A142557 Cf. A000040.
%K A142557 nonn,easy
%O A142557 1,1
%A A142557 _N. J. A. Sloane_, Jul 11 2008

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