OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Prime[Range[300]], MemberQ[{2, 4}, Mod[#, 7]]&] (* Vincenzo Librandi, Aug 11 2012 *)
PROG
(Magma) [p: p in PrimesUpTo(1000) | p mod 7 in [2, 4]]; // Vincenzo Librandi, Aug 11 2012
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved