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A215101 Primes congruent to {2, 3} mod 19. 1

%I #8 Sep 08 2022 08:46:03

%S 2,3,41,59,79,97,173,193,211,269,307,383,401,421,439,743,839,857,877,

%T 953,971,991,1009,1123,1181,1237,1409,1427,1447,1523,1579,1637,1693,

%U 1789,1979,1997,2017,2111,2131,2207,2339,2377,2473,2549,2663,2719,2777,2833,2909

%N Primes congruent to {2, 3} mod 19.

%H Vincenzo Librandi, <a href="/A215101/b215101.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[3000]],MemberQ[{2,3},Mod[#,19]]&]

%t Select[Flatten[#+{2,3}&/@(19*Range[0,200])],PrimeQ] (* _Harvey P. Dale_, Oct 07 2019 *)

%o (Magma) [p: p in PrimesUpTo(3000) | p mod 19 in [2, 3]];

%Y Cf. A000040, A003631, A045343, A214888, A214889, A214890.

%K nonn

%O 1,1

%A _Vincenzo Librandi_, Aug 04 2012

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Last modified May 3 00:26 EDT 2024. Contains 372203 sequences. (Running on oeis4.)