%I A038905
%S A038905 2,3,5,11,23,31,41,43,79,83,97,101,109,113,127,139,149,
%T A038905 151,157,167,173,179,193,199,223,233,239,251,257,263,271,
%U A038905 281,293,317,331,347,349,367,373,383,397,421,463,487,491
%N A038905 31 is a square mod p.
%C A038905 Also, only entries p=1 (mod 4) of the sequence are squares mod 31 (from 
               the quadratic reciprocity law). - Lekraj Beedassy (blekraj(AT)yahoo.com), 
               Jul 21 2004
%Y A038905 Sequence in context: A005384 A118571 A118504 this_sequence A019405 A079848 
               A073434
%Y A038905 Adjacent sequences: A038902 A038903 A038904 this_sequence A038906 A038907 
               A038908
%K A038905 nonn
%O A038905 1,1
%A A038905 N. J. A. Sloane (njas(AT)research.att.com).