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A142067
Primes congruent to 31 mod 33.
3
31, 97, 163, 229, 691, 757, 823, 1021, 1087, 1153, 1483, 1549, 1747, 1879, 2011, 2143, 2341, 2473, 2539, 2671, 2803, 3001, 3067, 3331, 3463, 3529, 3727, 3793, 4057, 4519, 4651, 4783, 5113, 5179, 5443, 5641, 5839, 6037, 6301, 6367, 6763, 6829, 6961, 7027
OFFSET
1,1
LINKS
FORMULA
a(n) ~ 20n log n. - Charles R Greathouse IV, Jul 02 2016
MATHEMATICA
Select[Range[31, 20000, 33], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jun 24 2011 *)
Select[Prime[Range[3000]], MemberQ[{31}, Mod[#, 33]]&] (* Vincenzo Librandi, Aug 18 2012 *)
PROG
(Magma) [p: p in PrimesUpTo(8000) | p mod 33 eq 31 ]; // Vincenzo Librandi, Aug 18 2012
(PARI) is(n)=isprime(n) && n%33==31 \\ Charles R Greathouse IV, Jul 02 2016
CROSSREFS
Cf. A000040.
Sequence in context: A143032 A159014 A256323 * A081275 A139509 A187517
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved