%I #12 Sep 08 2022 08:45:35

%S 37,137,337,487,587,787,887,937,1087,1187,1237,1487,1637,1787,1987,

%T 2087,2137,2237,2287,2437,2687,2837,2887,3037,3137,3187,3637,4337,

%U 4637,4787,4937,4987,5087,5237,5387,5437,5737,5987,6037,6287,6337,6637,6737,7187

%N Primes congruent to 12 mod 25.

%H Vincenzo Librandi, <a href="/A141936/b141936.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) ~ 20n log n. - _Charles R Greathouse IV_, Jul 02 2016

%t Select[Range[12, 20000, 25], PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Jun 15 2011 *)

%o (Magma) [p: p in PrimesUpTo(8000) | p mod 25 eq 12 ]; // _Vincenzo Librandi_, Aug 16 2012

%o (PARI) is(n)=isprime(n) && n%25==12 \\ _Charles R Greathouse IV_, Jul 02 2016

%Y Cf. A000040.

%K nonn,easy

%O 1,1

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