A142032 Primes congruent to 28 mod 31.

59, 307, 431, 617, 1051, 1237, 1361, 1423, 1609, 1733, 2477, 2539, 2663, 3221, 3407, 3469, 3593, 3779, 4027, 4337, 4523, 4957, 5081, 5639, 5701, 6011, 6073, 6197, 6569, 7127, 7499, 7561, 7933, 8243, 8429, 8677, 8863, 9049, 9173, 9421, 10103, 10289, 10723

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[28, 20000, 31], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Apr 30 2011 *)

Prog

(Magma) [p: p in PrimesUpTo(12000) | p mod 31 eq 28 ]; // Vincenzo Librandi, Aug 18 2012
(PARI) is(n)=isprime(n) && n%31==28 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040, A142005, A142006, A142031.

Sequence in context: A226692 A142131 A296971 * A142922 A033238 A142265

Adjacent sequences: A142029 A142030 A142031 * A142033 A142034 A142035

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved