A142684 - OEIS

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

%S 31,373,487,601,829,1171,1399,1627,1741,2083,2311,2539,2767,3109,3793,

%T 3907,4021,4363,4591,4933,5503,6073,6301,6529,6871,7213,7669,8011,

%U 8353,8467,8581,8923,9151,9721,9949,10177,10861,11317,11887,12343,12457,12799,13597

%N Primes congruent to 31 mod 57.

%H Harvey P. Dale, <a href="/A142684/b142684.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Range[31,57*500+31,57],PrimeQ] (* _Harvey P. Dale_, Oct 04 2011 *)

%t Select[Prime[Range[2400]], MemberQ[{31}, Mod[#, 57]] &] (* _Vincenzo Librandi_, Sep 02 2012 *)

%o (Magma) [p: p in PrimesUpTo(14000) | p mod 57 eq 31 ]; // _Vincenzo Librandi_, Sep 02 2012

%Y Cf. A000040.

%K nonn,easy

%O 1,1

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