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Primes congruent to 50 mod 57.
1

%I #9 Sep 08 2022 08:45:37

%S 107,449,563,677,1019,1361,1931,2273,2729,2843,2957,3299,3413,3527,

%T 4211,5009,5237,5351,5693,5807,6263,6491,6719,6833,6947,7517,8087,

%U 8429,8543,8999,9227,9341,10139,10253,10709,10937,11279,11393,11621,12647,13103,13217

%N Primes congruent to 50 mod 57.

%H Vincenzo Librandi, <a href="/A142696/b142696.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[2400]], MemberQ[{50}, Mod[#, 57]] &] (* _Vincenzo Librandi_, Sep 02 2012 *)

%t Select[Range[50,15000,57],PrimeQ] (* _Harvey P. Dale_, Oct 23 2020 *)

%o (Magma) [p: p in PrimesUpTo(14000) | p mod 57 eq 50 ]; // _Vincenzo Librandi_, Sep 02 2012

%Y Cf. A000040.

%K nonn,easy

%O 1,1

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