A140572 Primes congruent to 23 or 187 mod 210.

23, 233, 397, 443, 607, 653, 863, 1237, 1283, 1447, 1493, 1657, 1867, 1913, 2287, 2333, 2543, 2707, 2753, 2917, 2963, 3547, 3593, 3803, 3967, 4013, 4177, 4597, 4643, 5227, 5273, 5437, 5483, 5647, 5693, 5857, 5903, 6067, 6113, 6277, 6323, 6907, 7537

Offset

1,1

Links

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

Mathematica

Select[Prime[Range[1000]], MemberQ[{23, 187}, Mod[#, 210]] &] (* Vincenzo Librandi, Aug 15 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(9000)|p mod 210 in {23, 187}]; // Vincenzo Librandi, Dec 18 2010

Crossrefs

Cf. A000040.

Sequence in context: A060189 A028824 A096983 * A140844 A168438 A290425

Adjacent sequences: A140569 A140570 A140571 * A140573 A140574 A140575

Keyword

nonn,easy

Author

Juri-Stepan Gerasimov, Jul 28 2008

Extensions

Entries checked by R. J. Mathar, Apr 26 2010

Status

approved