OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
MATHEMATICA
Select[3*Range[2000], And @@ PrimeQ /@ ({2, 4, 8}*# + 1) &] (* Ray Chandler, Dec 06 2006 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Artur Jasinski, Nov 02 2006
STATUS
approved