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A045389 Primes congruent to {2, 6} mod 7. 1

%I

%S 2,13,23,37,41,79,83,97,107,139,149,163,167,181,191,223,233,251,293,

%T 307,317,331,349,359,373,401,419,433,443,457,461,499,503,541,569,587,

%U 601,643,653,709,727,751,769,797

%N Primes congruent to {2, 6} mod 7.

%H Vincenzo Librandi, <a href="/A045389/b045389.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[300]],MemberQ[{2,6},Mod[#,7]]&] (* _Vincenzo Librandi_, Aug 11 2012 *)

%o (MAGMA) [p: p in PrimesUpTo(1000) | p mod 7 in [2, 6]]; // _Vincenzo Librandi_, Aug 11 2012

%Y Cf. A000040.

%K nonn,easy

%O 1,1

%A _N. J. A. Sloane_

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Last modified May 14 10:15 EDT 2021. Contains 343880 sequences. (Running on oeis4.)