OFFSET
1,1
LINKS
T. D. Noe, Table of n, a(n) for n=1..1000
MATHEMATICA
Select[ Prime@Range@200000, PrimitiveRoot[#] == 20 &] (* Robert G. Wilson v, May 11 2001 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Klaus Brockhaus, Apr 25 2001
EXTENSIONS
More terms from Robert G. Wilson v, May 11 2001
STATUS
approved