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Primes congruent to 15 mod 23.
2

%I #18 Sep 08 2022 08:45:35

%S 61,107,199,337,383,521,613,659,751,797,1303,1487,1579,1901,1993,2039,

%T 2131,2269,2591,2683,2729,3373,3511,3557,3833,4201,4339,4523,4799,

%U 4937,5167,5351,5443,5581,5857,5903,6133,6271,6317,6547,6823,6869,6961,7237,7283

%N Primes congruent to 15 mod 23.

%H Vincenzo Librandi, <a href="/A141919/b141919.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) ~ 22n log n. - _Charles R Greathouse IV_, Jul 02 2016

%t Select[Range[15,10000,23],PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Apr 05 2011 *)

%o (Magma) [p: p in PrimesUpTo(9000) | p mod 23 eq 15 ]; // _Vincenzo Librandi_, Aug 16 2012

%o (PARI) is(n)=isprime(n) && n%23==15 \\ _Charles R Greathouse IV_, Jul 02 2016

%Y Cf. A000040, A040984, A141908, A100201.

%K nonn,easy

%O 1,1

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