OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[15*Range[4000000], And @@ PrimeQ /@ ({2, 4, 8, 16, 32, 64, 128}*# + 1) &] (* Ray Chandler, Nov 21 2006 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Artur Jasinski, Nov 02 2006
EXTENSIONS
Corrected and extended by Ray Chandler, Nov 21 2006
STATUS
approved