A142291 - OEIS

A142291

Primes congruent to 42 mod 43.

257, 601, 773, 859, 1031, 1117, 1289, 2063, 2579, 2837, 3181, 3697, 4127, 4643, 4729, 4987, 5417, 5503, 6277, 6449, 6793, 7309, 7481, 8513, 8599, 9029, 9631, 9803, 10061, 10663, 11093, 11351, 11437, 11867, 11953, 12211, 12641, 12899, 13759, 13931, 14447

(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) ~ 42n log n. - Charles R Greathouse IV, Jul 02 2016

MATHEMATICA

Select[Prime[Range[5000]], MemberQ[{42}, Mod[#, 43]]&] (* Vincenzo Librandi; Aug 25 2012 *)

Select[Range[42, 15000, 43], PrimeQ] (* Harvey P. Dale, Sep 11 2019 *)

PROG

(Magma) [p: p in PrimesUpTo(18000) | p mod 43 eq 42 ]; // Vincenzo Librandi, Aug 25 2012