|
%I #9 Sep 08 2022 08:45:36
%S 307,1049,1367,1579,2003,2851,2957,3169,3593,3911,4229,4441,4547,4759,
%T 5077,5501,7621,7727,8363,8681,8893,8999,10271,10589,11119,11437,
%U 12073,12391,12497,13451,14087,14723,15359,15889,16631,16843,17903,18433,18539,19069
%N Primes congruent to 42 mod 53.
%H Vincenzo Librandi, <a href="/A142572/b142572.txt">Table of n, a(n) for n = 1..1000</a>
%F a(n) ~ 52n log n. - _Charles R Greathouse IV_, Jul 04 2016
%t Select[Prime[Range[2600]], MemberQ[{42}, Mod[#, 53]] &] (* _Vincenzo Librandi_, Aug 30 2012 *)
%o (Magma) [p: p in PrimesUpTo(20000) | p mod 53 eq 42]; // _Vincenzo Librandi_, Aug 30 2012
%o (PARI) is(n)=isprime(n) && n%53==42 \\ _Charles R Greathouse IV_, Jul 04 2016
%Y Cf. A000040.
%K nonn,easy
%O 1,1
%A _N. J. A. Sloane_, Jul 11 2008
|
