A142028 Primes congruent to 24 mod 31.

179, 241, 613, 1109, 1171, 1481, 1543, 1667, 2039, 2287, 2411, 2473, 2659, 2969, 3217, 3527, 4271, 4457, 4519, 4643, 5077, 5387, 5449, 5573, 5821, 6007, 6131, 6317, 6379, 6689, 7247, 7309, 7433, 7681, 7867, 8053, 8363, 9293, 9479, 9851, 10037, 10099, 10223

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[24, 20000, 31], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Apr 30 2011 *)
Select[Prime[Range[1300]], Mod[#, 31]==24&] (* Harvey P. Dale, Jun 14 2018 *)

Prog

(Magma) [p: p in PrimesUpTo(12000) | p mod 31 eq 24 ]; // Vincenzo Librandi, Aug 17 2012
(PARI) is(n)=isprime(n) && n%31==24 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040, A142005, A142006, A142027.

Sequence in context: A238893 A230809 A335067 * A146359 A142441 A142492

Adjacent sequences: A142025 A142026 A142027 * A142029 A142030 A142031

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved