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%I A105912 #9 Mar 31 2024 15:13:46
%S A105912 3,17,29,31,43,71,73,79,83,97,101,107,109,137,149,151,191,193,227,229,
%T A105912 233,257,269,271,283,307,311,347,349,353,359,389,421,431,433,439,443,
%U A105912 461,467,479,509,523,541,563,577,587,593,599,617,661,673,683,701,709,719,751,787
%N A105912 Primes for which -40 is a primitive root.
%H A105912 Vincenzo Librandi, Table of n, a(n) for n = 1..1000
%H A105912 Index entries for primes by primitive root
%t A105912 pr=-40; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #-1 &]
%K A105912 nonn
%O A105912 1,1
%A A105912 _N. J. A. Sloane_, Apr 24 2005
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