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A045368 Primes congruent to {2, 5} mod 7. 6

%I #15 Sep 08 2022 08:44:55

%S 2,5,19,23,37,47,61,79,89,103,107,131,149,163,173,191,229,233,257,271,

%T 313,317,331,359,373,383,397,401,439,443,457,467,499,509,523,541,569,

%U 593,607,653,677,691,709,719,733

%N Primes congruent to {2, 5} mod 7.

%H Vincenzo Librandi, <a href="/A045368/b045368.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[200]],MemberQ[{2,5},Mod[#,7]]&] (* _Harvey P. Dale_, Apr 28 2012 *)

%o (Magma) [ p: p in PrimesUpTo(1500) | p mod 7 in {2, 5} ]; // _Vincenzo Librandi_, Aug 06 2012

%Y Cf. A045392, A045458.

%K nonn,easy

%O 1,1

%A _N. J. A. Sloane_

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Last modified August 8 17:42 EDT 2024. Contains 375023 sequences. (Running on oeis4.)