A142306 - OEIS

A142306

Primes congruent to 31 mod 44.

31, 163, 251, 383, 647, 691, 823, 911, 1087, 1307, 1439, 1483, 1571, 1747, 1879, 2011, 2099, 2143, 2539, 2671, 2803, 3023, 3067, 3331, 3463, 3727, 3947, 4079, 4211, 4519, 4651, 4783, 4871, 5003, 5179, 5399, 5443, 5531, 5839, 5927, 6323, 6367, 6719, 6763

(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) ~ 20n log n. - Charles R Greathouse IV, Jul 03 2016

MATHEMATICA

Select[Prime[Range[2500]], MemberQ[{31}, Mod[#, 44]]&] (* Vincenzo Librandi, Aug 25 2012 *)

PROG

(Magma) [p: p in PrimesUpTo(8000) | p mod 44 eq 31]; // Vincenzo Librandi, Aug 25 2012

(PARI) is(n)=isprime(n) && n%44==31 \\ Charles R Greathouse IV, Jul 03 2016