A142003 - OEIS

%I #17 Sep 08 2022 08:45:35

%S 317,433,491,607,839,1013,1129,1187,1303,1361,1709,1999,2347,2521,

%T 2579,2753,2927,3217,3391,3449,3623,3739,3797,4261,4493,4783,4957,

%U 5189,5479,5653,5711,5827,6581,6871,7103,7219,7393,7451,7741,8089,8147,8263,8669

%N Primes congruent to 27 mod 29.

%H Vincenzo Librandi, <a href="/A142003/b142003.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) ~ 28n log n. - _Charles R Greathouse IV_, Jul 02 2016

%t Select[Range[27,20000,29],PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Apr 07 2011 *)

%o (Magma) [p: p in PrimesUpTo(12000) | p mod 29 eq 27 ]; // _Vincenzo Librandi_, Aug 17 2012

%o (PARI) is(n)=isprime(n) && n%29==27 \\ _Charles R Greathouse IV_, Jul 02 2016

%Y Cf. A000040, A141977, A141978.

%K nonn,easy

%O 1,1

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