A142031 Primes congruent to 27 mod 31.

89, 151, 337, 461, 523, 647, 709, 1019, 1453, 1949, 2011, 2383, 2693, 2879, 3251, 3313, 3499, 3623, 4057, 4243, 4801, 4987, 5297, 5483, 5669, 6599, 6661, 6971, 7219, 7529, 7591, 7901, 7963, 8087, 8273, 8521, 8707, 8831, 8893, 9203, 10009, 10133, 10567, 10691

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[27, 20000, 31], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Apr 30 2011 *)

Prog

(Magma) [p: p in PrimesUpTo(12000) | p mod 31 eq 27 ]; // Vincenzo Librandi, Aug 18 2012
(PARI) is(n)=isprime(n) && n%31==27 \\ Charles R Greathouse IV, Jul 02 2016

Crossrefs

Cf. A000040, A142005, A142006, A142029.

Sequence in context: A353249 A247114 A075589 * A302003 A094657 A142124

Adjacent sequences: A142028 A142029 A142030 * A142032 A142033 A142034

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved