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%I #12 Sep 08 2022 08:45:35
%S 61,433,557,619,743,929,991,1301,1487,1549,2293,2417,2789,2851,3037,
%T 3347,3533,3719,3967,4091,4153,4339,4463,4649,5021,5393,5641,5827,
%U 6199,6323,6571,7129,7253,7687,7873,8059,8369,8431,8741,8803,9547,9733,9857,10477
%N Primes congruent to 30 mod 31.
%H Vincenzo Librandi, <a href="/A142034/b142034.txt">Table of n, a(n) for n = 1..1000</a>
%F a(n) ~ 30n log n. - _Charles R Greathouse IV_, Jul 03 2016
%t Select[Range[30,20000,31],PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Apr 30 2011 *)
%o (Magma) [p: p in PrimesUpTo(12000) | p mod 31 eq 30 ]; // _Vincenzo Librandi_, Aug 18 2012
%o (PARI) is(n)=isprime(n) && n%31==30 \\ _Charles R Greathouse IV_, Jul 03 2016
%Y Cf. A000040, A142005, A142006, A142033.
%K nonn,easy
%O 1,1
%A _N. J. A. Sloane_, Jul 11 2008
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