A142019 - OEIS

A142019

Primes congruent to 15 mod 31.

139, 263, 449, 821, 883, 1069, 1193, 1627, 1999, 2309, 2371, 2557, 3301, 3673, 3797, 4231, 4603, 4789, 5099, 5347, 5471, 5657, 5843, 6029, 6091, 6277, 6959, 7207, 7331, 7393, 7517, 7703, 7951, 8447, 8819, 9067, 9377, 9439, 9749, 9811, 10369, 11113, 11299

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

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

MATHEMATICA

Select[Range[15, 20000, 31], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Apr 20 2011 *)

PROG

(Magma) [ p: p in PrimesUpTo(30000) | p mod 31 eq 15 ]; // Vincenzo Librandi, Apr 20 2011

(PARI) is(n)=isprime(n) && n%31==15 \\ Charles R Greathouse IV, Jul 01 2016

CROSSREFS

Cf. A000040, A142005, A142006.