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%I #20 Mar 08 2021 02:17:51
%S 2,5,11,13,19,23,29,37,47,53,59,61,67,71,83,97,101,107,131,139,149,
%T 163,167,173,179,181,191,193,197,211,227,239,263,269,293,307,311,313,
%U 317,347,349,359,373,379,383,389,409,419,421,431,443,461,467,479,491,499,503,509,523,541,547,557,563,577
%N Duplicate of A001915.
%C Potential prime divisors of solutions to 2^m == 3 (mod m) (see A050259).
%C Minimal nonnegative solutions to 2^x == 3 (mod a(n)) are given in A127438.
%o (PARI) forprime(p=5,1000, g=znprimroot(p); u=znlog(Mod(2,p),g); v=znlog(Mod(3,p),g); if( v%u==0, print1(p,", "); ))
%Y Cf. A050259, A123988 (complement in the primes).
%K dead
%O 1,1
%A _Max Alekseyev_, Jan 14 2007
%E Corrected by _Max Alekseyev_, Jun 08 2011
%E Corrected by _Arkadiusz Wesolowski_, Jan 12 2021
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