OFFSET
1,1
COMMENTS
LINKS
R. Zumkeller, Table of n, a(n) for n = 1..1001
MATHEMATICA
Select[Prime[Range[300]], MemberQ[{0, 2, 4, 6}, Mod[#, 7]]&] (* Vincenzo Librandi, Aug 10 2012 *)
Select[Prime[Range[110]], EvenQ[Mod[#, 7]] & ] (* Bruno Berselli, Aug 31 2012 *)
PROG
(Magma) [ p: p in PrimesUpTo(600) | p mod 7 in {0..6 by 2} ]; // Vincenzo Librandi, Aug 10 2012
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved