%I A049552
%S A049552 2,7,23,47,73,79,89,103,113,127,151,167,199,223,233,239,257,263,337,
%T A049552 353,359,367,383,431,439,463,479,487,503,577,593,599,607,617,647,719,
%U A049552 727,743,823,839,863,887,911,919,937,967,983,1033,1039,1049,1063,1087
%N A049552 Primes p such that x^20 = 2 has a solution mod p.
%H A049552 R. J. Mathar, <a href="b049552.txt">Table of n, a(n) for n = 1..1000</
               a>
%H A049552 <a href="Sindx_Pri.html#smp">Index entries for related sequences</a>
%Y A049552 Sequence in context: A089176 A049232 A100917 this_sequence A049572 A094786 
               A028871
%Y A049552 Adjacent sequences: A049549 A049550 A049551 this_sequence A049553 A049554 
               A049555
%K A049552 nonn
%O A049552 1,1
%A A049552 N. J. A. Sloane (njas(AT)research.att.com).