OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Prime[Range[400]], MemberQ[{1, 2, 3, 4, 6}, Mod[#, 7]]&] (* Vincenzo Librandi, Aug 08 2012 *)
PROG
(Magma) [p: p in PrimesUpTo(500) | p mod 7 in [1, 2, 3, 4, 6]]; // Vincenzo Librandi, Aug 08 2012
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved