A045400 - OEIS

%I #11 Sep 08 2022 08:44:56

%S 3,5,7,17,19,29,31,43,47,59,61,71,73,89,101,103,113,127,131,157,173,

%T 197,199,211,227,229,239,241,257,269,271,281,283,311,313,337,353,367,

%U 379,383,397,409,421,439,449,463

%N Primes congruent to {0, 1, 3, 5} mod 7.

%H Vincenzo Librandi, <a href="/A045400/b045400.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[300]],MemberQ[{0,1,3,5},Mod[#,7]]&] (* _Vincenzo Librandi_, Aug 12 2012 *)

%o (Magma) [ p: p in PrimesUpTo(600) | p mod 7 in {0, 1, 3, 5} ]; // _Vincenzo Librandi_, Aug 12 2012

%Y Cf. A000040.

%K nonn,easy

%O 1,1

%A _N. J. A. Sloane_