OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Prime[Range[100]], MemberQ[{1, 2, 4, 5, 6}, Mod[#, 7]]&] (* Harvey P. Dale, Mar 06 2011 *)
PROG
(Magma) [ p: p in PrimesUpTo(400) | p mod 7 in {1, 2, 4, 5, 6} ]; // Vincenzo Librandi, Aug 07 2012
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved