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%I #10 Jun 26 2022 23:55:06
%S 2,3,5,17,19,23,29,31,37,43,47,59,61,71,73,79,89,101,103,107,113,127,
%T 131,149,157,163,173,191,197,199,211,227,229,233,239,241,257,269,271,
%U 281,283,311,313,317,331,337,353
%N Primes congruent to {1, 2, 3, 5} (mod 7).
%H Vincenzo Librandi, <a href="/A045313/b045313.txt">Table of n, a(n) for n = 1..1000</a>
%t Select[Prime[Range[400]],MemberQ[{1,2,3, 5},Mod[#,7]]&] (* _Vincenzo Librandi_, Aug 08 2012 *)
%o (Magma) [p: p in PrimesUpTo(500) | p mod 7 in [1, 2, 3, 5]]; // _Vincenzo Librandi_, Aug 08 2012
%Y Cf. A000040.
%K nonn,easy
%O 1,1
%A _N. J. A. Sloane_
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