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%I #9 Mar 31 2024 15:13:21
%S 2,5,13,53,67,73,83,89,103,107,113,131,137,163,167,199,227,239,257,
%T 263,269,317,337,347,349,353,359,367,389,409,431,449,457,479,487,491,
%U 499,503,509,563,601,613,617,619,641,643,653,659,733,743,751,773,797,823,827,853
%N Primes for which -33 is a primitive root.
%H Vincenzo Librandi, <a href="/A105905/b105905.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=-33; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #-1 &]
%K nonn
%O 1,1
%A _N. J. A. Sloane_, Apr 24 2005
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