A142831 Primes congruent to 33 mod 61.

277, 521, 643, 887, 1009, 1619, 1741, 2351, 2473, 3083, 3449, 3571, 4547, 5279, 6011, 6133, 7109, 7841, 7963, 8329, 8573, 10037, 10159, 10891, 11257, 11867, 12721, 13331, 13697, 14551, 15161, 15527, 15649, 16381, 16747, 18089, 18211, 19309, 19553, 19919

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Mathematica

Select[Range[33, 20000, 61], PrimeQ] (* or *) Select[Prime[Range[2500]], Mod[ #, 61]==33&] (* Harvey P. Dale, Nov 12 2011 and Oct 31 2013 *)
Select[Prime[Range[2500]], MemberQ[{33}, Mod[#, 61]] &] (* Vincenzo Librandi, Sep 05 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(20000) | p mod 61 eq 33] ; // Vincenzo Librandi, Sep 05 2012

Crossrefs

Cf. A000040.

Sequence in context: A046504 A142542 A142127 * A105977 A297891 A236803

Adjacent sequences: A142828 A142829 A142830 * A142832 A142833 A142834

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved