A142184 - OEIS

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A142184

Primes congruent to 3 mod 40.

3, 43, 83, 163, 283, 443, 523, 563, 643, 683, 883, 1123, 1163, 1283, 1483, 1523, 1723, 2003, 2083, 2203, 2243, 2683, 2803, 2843, 2963, 3083, 3163, 3203, 3323, 3643, 3803, 3923, 4003, 4243, 4283, 4363, 4483, 4523, 4603, 4643, 4723, 5003, 5323, 5443, 5483

(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) ~ 16n log n. - Charles R Greathouse IV, Jul 03 2016

MATHEMATICA

Select[Prime[Range[2000]], MemberQ[{3}, Mod[#, 40]]&] (* Vincenzo Librandi, Aug 20 2012 *)

Select[Range[3, 5500, 40], Prime (* Harvey P. Dale, Jun 10 2015 *)

PROG

(Magma)[p: p in PrimesUpTo(7000) | p mod 40 eq 3]; // Vincenzo Librandi, Aug 20 2012