%I A049572
%S A049572 2,7,23,47,73,79,89,103,127,151,167,199,223,233,239,257,263,337,359,
%T A049572 367,383,431,439,463,479,487,503,599,607,647,719,727,743,823,839,863,
%U A049572 887,911,919,937,967,983,1039,1063,1087,1103,1217,1223,1249,1279,1289
%N A049572 Primes p such that x^40 = 2 has a solution mod p.
%H A049572 R. J. Mathar, <a href="b049572.txt">Table of n, a(n) for n = 1..1000</
               a>
%H A049572 <a href="Sindx_Pri.html#smp">Index entries for related sequences</a>
%Y A049572 Sequence in context: A049232 A100917 A049552 this_sequence A094786 A028871 
               A053705
%Y A049572 Adjacent sequences: A049569 A049570 A049571 this_sequence A049573 A049574 
               A049575
%K A049572 nonn
%O A049572 1,1
%A A049572 N. J. A. Sloane (njas(AT)research.att.com).