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A142817 Primes congruent to 19 mod 61. 2

%I #10 Sep 08 2022 08:45:37

%S 19,263,751,1117,1361,1483,2459,3191,3313,3557,3923,4289,5021,5387,

%T 6607,7583,7949,8681,8803,9413,9901,10267,11243,11731,12097,12829,

%U 14293,14537,15269,15391,16001,17099,19051,19417,19661,20149,20393,20759,21247,21491

%N Primes congruent to 19 mod 61.

%H Vincenzo Librandi, <a href="/A142817/b142817.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[2700]], MemberQ[{19}, Mod[#, 61]] &] (* _Vincenzo Librandi_, Sep 05 2012 *)

%t Select[Range[19, 22000, 61], PrimeQ] (* _Bruno Berselli_, Sep 05 2012 *)

%o (Magma) [p: p in PrimesUpTo(22000) | p mod 61 eq 19]; // _Vincenzo Librandi_, Sep 05 2012

%Y Cf. A000040.

%K nonn,easy

%O 1,1

%A _N. J. A. Sloane_, Jul 11 2008

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Last modified April 25 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)