%I #12 Sep 08 2022 08:45:35
%S 43,97,151,313,367,421,691,853,907,1069,1123,1231,1447,1609,1663,1879,
%T 1933,1987,2203,2311,2473,2689,2797,2851,3067,3121,3229,3391,3499,
%U 3607,3769,3823,3877,3931,4093,4201,4363,4903,4957,5011,5119,5227,5281,5443,5659
%N Primes congruent to 16 mod 27.
%H Vincenzo Librandi, <a href="/A141958/b141958.txt">Table of n, a(n) for n = 1..1000</a>
%F a(n) ~ 18n log n. - _Charles R Greathouse IV_, Jul 02 2016
%t Select[Range[16, 30000, 27], PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Jun 21 2011 *)
%o (Magma) [p: p in PrimesUpTo(7000) | p mod 27 eq 16 ]; // _Vincenzo Librandi_, Aug 16 2012
%o (PARI) is(n)=isprime(n) && n%27==16 \\ _Charles R Greathouse IV_, Jul 02 2016
%Y Cf. A000040.
%K nonn,easy
%O 1,1
%A _N. J. A. Sloane_, Jul 11 2008
|