OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
FORMULA
{7} UNION A045471. - R. J. Mathar, Oct 18 2008
MATHEMATICA
Select[Prime[Range[200]], MemberQ[{0, 4}, Mod[#, 7]]&] (* Vincenzo Librandi, Aug 13 2012 *)
PROG
(Magma)[ p: p in PrimesUpTo(2000) | p mod 7 in {0, 4} ]; // Vincenzo Librandi, Aug 13 2012
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved