%I #16 Mar 31 2014 06:39:05
%S 2,7,11,17,23,29,37,43,53,59,67,71,89,101,139,151,157,173,191,193,223,
%T 227,233,251,307,337,359,373,383,389,397,401,419,433,457,467,499,509,
%U 547,557,577,587,593,599,617,631,643,647,653,673,677,709,743,769,821,887,941
%N Primes with primitive root 61.
%H Vincenzo Librandi, <a href="/A019385/b019385.txt">Table of n, a(n) for n = 1..1000</a>
%H <a href="/index/Pri#primes_root">Index entries for primes by primitive root</a>
%t pr=61; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #1 &]
%K nonn
%O 1,1
%A _David W. Wilson_
