A142051 Primes congruent to 4 mod 33.

37, 103, 367, 433, 499, 631, 829, 1093, 1291, 1423, 1489, 1621, 1753, 1951, 2017, 2083, 2281, 2347, 2677, 3271, 3469, 3733, 3931, 4129, 4261, 4327, 4591, 4657, 4723, 4789, 4987, 5119, 5449, 5581, 5647, 5779, 6043, 6373, 6571, 6637, 6703, 6967, 7297, 7561

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[4, 20000, 33], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jun 25 2011 *)
Select[Prime[Range[3000]], MemberQ[{4}, Mod[#, 33]]&] (* Vincenzo Librandi, Aug 18 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(8000) | p mod 33 eq 4 ]; // Vincenzo Librandi, Aug 18 2012
(PARI) is(n)=isprime(n) && n%33==4 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A090496 A005107 A139934 * A282852 A171833 A257117

Adjacent sequences: A142048 A142049 A142050 * A142052 A142053 A142054

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved