A142557 - OEIS

A142557

Primes congruent to 27 mod 53.

239, 557, 769, 1087, 1193, 1511, 1723, 2677, 3313, 3631, 4373, 4691, 4903, 5009, 5857, 6599, 6917, 7129, 8719, 9461, 10627, 10733, 11369, 12323, 12641, 12853, 12959, 13171, 13807, 13913, 14549, 14867, 16033, 16139, 16987, 17093, 17623, 17729, 18047, 19001

(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) ~ 52n log n. - Charles R Greathouse IV, Jul 04 2016

MATHEMATICA

Select[Prime[Range[2600]], MemberQ[{27}, Mod[#, 53]] &] (* Vincenzo Librandi, Aug 30 2012 *)

PROG

(Magma) [p: p in PrimesUpTo(20000) | p mod 53 eq 27]; // Vincenzo Librandi, Aug 30 2012

(PARI) is(n)=isprime(n) && n%53==27 \\ Charles R Greathouse IV, Jul 04 2016