OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Prime[Range[300]], MemberQ[{2, 3, 4, 6}, Mod[#, 13]]&]
PROG
(Magma) [p: p in PrimesUpTo(1000) | p mod 13 in [2, 3, 4, 6]];
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Aug 08 2012
STATUS
approved