A142049 Primes congruent to 1 mod 33.

67, 199, 331, 397, 463, 661, 727, 859, 991, 1123, 1321, 1453, 1783, 2113, 2179, 2311, 2377, 2707, 2971, 3037, 3169, 3301, 3433, 3499, 3631, 3697, 4027, 4093, 4159, 4357, 4423, 4621, 4951, 5281, 5347, 5413, 5479, 5743, 6007, 6073, 6271, 6337, 6469, 6733

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 02 2016

Mathematica

Select[Prime[Range[3000]], MemberQ[{1}, Mod[#, 33]]&] (* Vincenzo Librandi, Aug 18 2012 *)
Select[Range[1, 6800, 33], PrimeQ] (* Harvey P. Dale, May 07 2022 *)

Prog

(Magma) [p: p in PrimesUpTo(7000) | p mod 33 eq 1 ]; // Vincenzo Librandi, Aug 18 2012
(PARI) is(n)=isprime(n) && n%33==1 \\ Charles R Greathouse IV, Jul 02 2016

Crossrefs

Cf. A000040.

Sequence in context: A144326 A119593 A142891 * A280162 A142514 A142273

Adjacent sequences: A142046 A142047 A142048 * A142050 A142051 A142052

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved