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

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Formula

a(n) ~ 30n log n. - Charles R Greathouse IV, Jul 03 2016

Mathematica

Select[Range[30, 20000, 31], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Apr 30 2011 *)

Prog

(Magma) [p: p in PrimesUpTo(12000) | p mod 31 eq 30 ]; // Vincenzo Librandi, Aug 18 2012
(PARI) is(n)=isprime(n) && n%31==30 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040, A142005, A142006, A142033.

Sequence in context: A316683 A264845 A340159 * A338102 A167445 A302531

Adjacent sequences: A142031 A142032 A142033 * A142035 A142036 A142037

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved