A142023 Primes congruent to 19 mod 31.

19, 577, 701, 887, 1259, 1321, 1693, 1879, 2003, 2251, 2437, 3119, 3181, 3491, 3677, 3739, 3863, 4049, 4111, 4297, 4421, 4483, 4793, 5227, 5351, 5413, 6343, 6529, 6653, 7211, 7459, 7583, 8017, 8389, 8513, 8699, 8761, 9133, 9257, 9319, 9629, 10559, 10993

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 02 2016

Mathematica

Select[Range[19, 20000, 31], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Apr 30 2011 *)

Prog

(Magma) [p: p in PrimesUpTo(12000) | p mod 31 eq 19 ]; // Vincenzo Librandi, Aug 27 2012
(PARI) is(n)=isprime(n) && n%31==19 \\ Charles R Greathouse IV, Jul 02 2016

Crossrefs

Cf. A000040, A142005, A142006, A142019.

Sequence in context: A008990 A012845 A284111 * A075879 A287936 A226584

Adjacent sequences: A142020 A142021 A142022 * A142024 A142025 A142026

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved