A142034 Primes congruent to 30 mod 31.
61, 433, 557, 619, 743, 929, 991, 1301, 1487, 1549, 2293, 2417, 2789, 2851, 3037, 3347, 3533, 3719, 3967, 4091, 4153, 4339, 4463, 4649, 5021, 5393, 5641, 5827, 6199, 6323, 6571, 7129, 7253, 7687, 7873, 8059, 8369, 8431, 8741, 8803, 9547, 9733, 9857, 10477
Offset: 1
Links
- Vincenzo Librandi, Table of n, a(n) for n = 1..1000
Programs
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Magma
[p: p in PrimesUpTo(12000) | p mod 31 eq 30 ]; // Vincenzo Librandi, Aug 18 2012
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Mathematica
Select[Range[30,20000,31],PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Apr 30 2011 *)
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PARI
is(n)=isprime(n) && n%31==30 \\ Charles R Greathouse IV, Jul 03 2016
Formula
a(n) ~ 30n log n. - Charles R Greathouse IV, Jul 03 2016