A142065 Primes congruent to 28 mod 33.

61, 127, 193, 457, 523, 787, 853, 919, 1051, 1117, 1249, 1381, 1447, 1579, 1777, 2239, 2371, 2437, 2503, 2767, 2833, 3163, 3229, 3361, 3559, 3691, 3823, 3889, 4021, 4153, 4219, 4483, 4549, 4813, 5011, 5077, 5209, 5407, 5737, 5869, 6067, 6133, 6199, 6397

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[Range[28, 20000, 33], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jun 24 2011 *)
Select[Prime[Range[1000]], MemberQ[{28}, Mod[#, 33]]&] (* Vincenzo Librandi, Aug 18 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(8000) | p mod 33 eq 28 ]; // Vincenzo Librandi, Aug 18 2012
(PARI) is(n)=isprime(n) && n%33==28 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A044248 A044629 A283425 * A304153 A305506 A073761

Adjacent sequences: A142062 A142063 A142064 * A142066 A142067 A142068

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved