OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..225
MATHEMATICA
Prime[ Select[ Range[ 10^6], PrimitiveRoot[ Prime[ # ] ] == 24 & ] ]
(* or *)
Select[ Prime@Range@1000000, PrimitiveRoot@# == 24 &] (* Robert G. Wilson v, May 11 2001 *)
PROG
(PARI) is(n)=if(n<9||!isprime(n), return(0)); for(k=2, 23, if(znorder(Mod(k, n))==n-1, return(0))); znorder(Mod(24, n))==n-1 \\ Charles R Greathouse IV, Apr 28 2015
CROSSREFS
KEYWORD
nonn
AUTHOR
Klaus Brockhaus, May 06 2001
EXTENSIONS
More terms from Robert G. Wilson v, May 11 2001
STATUS
approved