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A142058 Primes congruent to 16 mod 33. 1

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

%S 181,313,379,577,643,709,907,1039,1171,1237,1303,1567,1699,1831,2029,

%T 2161,2293,2557,2689,2887,2953,3019,3217,3547,3613,3877,3943,4273,

%U 4339,4603,4801,4933,4999,5197,5527,5659,5791,5857,5923,6121,6451,6781,7177,7243

%N Primes congruent to 16 mod 33.

%H Vincenzo Librandi, <a href="/A142058/b142058.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) ~ 20n log n. - _Charles R Greathouse IV_, Jul 03 2016

%t Select[Range[16, 20000, 33], PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Jun 25 2011 *)

%t Select[Prime[Range[3000]],MemberQ[{16},Mod[#,33]]&] (* _Vincenzo Librandi_, Aug 18 2012 *)

%o (Magma) [p: p in PrimesUpTo(8000) | p mod 33 eq 16 ]; // _Vincenzo Librandi_, Aug 18 2012

%o (PARI) is(n)=isprime(n) && n%33==16 \\ _Charles R Greathouse IV_, Jul 03 2016

%Y Cf. A000040, A142060, A142061.

%K nonn,easy

%O 1,1

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

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Last modified April 25 06:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)