A142021 Primes congruent to 17 mod 31.

17, 79, 389, 761, 823, 947, 1009, 1319, 1381, 1567, 1753, 1877, 2063, 2311, 2621, 2683, 3613, 3923, 4357, 4481, 4729, 5039, 5101, 5659, 5783, 6217, 6899, 6961, 7333, 7457, 7643, 7829, 8263, 8387, 8573, 8821, 9007, 9689, 10061, 10247, 10433, 10867, 11177

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[17, 20000, 31], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Apr 30 2011 *)

Prog

(Magma) [p: p in PrimesUpTo(12000) | p mod 31 eq 17 ]; // Vincenzo Librandi, Aug 17 2012
(PARI) is(n)=isprime(n) && n%31==17 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040, A142005, A142006, A142019.

Sequence in context: A124898 A036429 A126404 * A353937 A172045 A338549

Adjacent sequences: A142018 A142019 A142020 * A142022 A142023 A142024

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved