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%I #12 Sep 08 2022 08:45:35
%S 7,73,139,271,337,601,733,997,1063,1129,1327,1459,1657,1723,1789,1987,
%T 2053,2251,2383,2647,2713,3109,3307,3373,3571,3637,3769,3967,4099,
%U 4231,4297,4363,4561,4759,4957,5023,5419,5683,5749,5881,6079,6211,6277,6343,6607
%N Primes congruent to 7 mod 33.
%H Vincenzo Librandi, <a href="/A142053/b142053.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[7, 20000, 33], PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Jun 25 2011 *)
%t Select[Prime[Range[3000]],MemberQ[{7},Mod[#,33]]&] (* _Vincenzo Librandi_, Aug 18 2012 *)
%o (Magma) [p: p in PrimesUpTo(8000) | p mod 33 eq 7 ]; // _Vincenzo Librandi_, Aug 18 2012
%o (PARI) is(n)=isprime(n) && n%33==7 \\ _Charles R Greathouse IV_, Jul 02 2016
%Y Cf. A000040.
%K nonn,easy
%O 1,1
%A _N. J. A. Sloane_, Jul 11 2008
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