A142408 - OEIS

A142408

Primes congruent to 31 mod 48.

31, 79, 127, 223, 271, 367, 463, 607, 751, 991, 1039, 1087, 1231, 1279, 1327, 1423, 1471, 1567, 1663, 1759, 1951, 1999, 2143, 2239, 2287, 2383, 2671, 2719, 2767, 3343, 3391, 3583, 3631, 3727, 3823, 3919, 3967, 4111, 4159, 4447, 4591, 4639, 4783, 4831, 5023

(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[1000]], MemberQ[{31}, Mod[#, 48]] &] (* Vincenzo Librandi, Aug 27 2012 *)

Select[Range[31, 5100, 48], PrimeQ] (* Harvey P. Dale, Jan 17 2017 *)

PROG

(Magma) [p: p in PrimesUpTo(6000) | p mod 48 eq 31]; // Vincenzo Librandi, Aug 27 2012