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%I #9 Sep 08 2022 08:45:37
%S 3,59,227,283,563,619,787,1123,1291,1459,1571,1627,1907,2131,2243,
%T 2411,2467,2579,2803,2971,3083,3251,3307,3643,3923,4091,4259,4483,
%U 4651,4931,4987,5099,5323,5659,5827,5939,6163,6779,6947,7283,7451,7507,8011,8123
%N Primes congruent to 3 mod 56.
%H Vincenzo Librandi, <a href="/A142642/b142642.txt">Table of n, a(n) for n = 1..1000</a>
%t Select[Prime[Range[1300]], MemberQ[{3}, Mod[#, 56]] &] (* _Vincenzo Librandi_, Sep 01 2012 *)
%t Select[Range[3,8200,56],PrimeQ] (* _Harvey P. Dale_, Aug 01 2016 *)
%o (Magma) [p: p in PrimesUpTo(10000) | p mod 56 eq 3 ]; // _Vincenzo Librandi_, Sep 01 2012
%Y Cf. A000040.
%K nonn,easy
%O 1,1
%A _N. J. A. Sloane_, Jul 11 2008
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