A140732 Primes congruent to 71 or 139 mod 210.

71, 139, 281, 349, 491, 701, 769, 911, 1399, 1609, 2029, 2239, 2381, 2591, 2659, 2801, 3011, 3079, 3221, 3499, 3709, 3851, 3919, 4129, 4271, 4339, 4481, 4549, 4691, 4759, 4969, 5179, 5531, 5741, 6229, 6581, 6791, 7001, 7069, 7211, 7489, 7699, 7841, 8329

Offset

1,1

Links

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

Mathematica

Select[Prime[Range[1100]], MemberQ[{71, 139}, Mod[#, 210]] &] (* Vincenzo Librandi, Aug 15 2012 *)
Select[Riffle[Range[71, 9000, 210], Range[139, 9000, 210]], PrimeQ] (* Harvey P. Dale, Jun 01 2017 *)

Prog

(Magma) [p: p in PrimesUpTo(9000)|p mod 210 in {71, 139}] // Vincenzo Librandi, Dec 18 2010

Crossrefs

Cf. A000040.

Sequence in context: A044575 A039543 A111092 * A025023 A253016 A157921

Adjacent sequences: A140729 A140730 A140731 * A140733 A140734 A140735

Keyword

nonn,easy

Author

Juri-Stepan Gerasimov, Jul 28 2008

Extensions

4691 added by D. S. McNeil, Dec 10 2009

Status

approved