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A142679

Primes congruent to 23 mod 57.

23, 137, 251, 479, 593, 821, 1049, 1163, 1277, 1619, 1733, 1847, 2417, 2531, 3329, 3557, 3671, 4013, 4127, 4241, 4583, 5039, 5153, 5381, 6521, 6863, 6977, 7433, 7547, 8117, 8231, 8573, 9029, 9257, 9371, 9941, 10169, 10739, 10853, 11423, 12107, 12791, 13931

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

OFFSET

1,1

LINKS

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

FORMULA

a(n) ~ 36n log n. - Charles R Greathouse IV, Jul 03 2016

MATHEMATICA

Select[Prime[Range[2400]], MemberQ[{23}, Mod[#, 57]] &] (* Vincenzo Librandi, Sep 02 2012 *)

Select[Range[23, 14000, 57], PrimeQ] (* Harvey P. Dale, Feb 13 2023 *)

PROG

(Magma) [p: p in PrimesUpTo(14000) | p mod 57 eq 23 ]; // Vincenzo Librandi, Sep 02 2012