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
KEYWORD
nonn,easy
AUTHOR
Juri-Stepan Gerasimov, Jul 28 2008
EXTENSIONS
4691 added by D. S. McNeil, Dec 10 2009
STATUS
approved