%I A094319
%S A094319 3,4211,51551,177791,420803,4043891,4444703,4864451,9898271,13196291,16437503,
%T A094319 16967711,34846451,37181891,44210303,48628703,56622851,64181471,75558851,
%U A094319 82476803,95946611,101097203,107724803,113178371,137858291,140152703,165804671
%N A094319 Prime values of Lehmer's polynomial 263*x^2+3.
%C A094319 For the first 206 primes p assumed by this quadratic form with x>=0, 
               the number 326 is a primitive root modulo p.
%D A094319 K. Ireland and M. Rosen, A Classical Introduction to Modern Number Theory. 
               Springer-Verlag, NY, 1982, p. 47.
%D A094319 D. H. Lehmer, A note on primitive roots, Scripta Math., 26 1963 117-119.
%D A094319 Pieter Moree, Posting to Number Theory List, Jun 03, 2004.
%H A094319 Pieter Moree, <a href="http://arXiv.org/abs/math.NT/0406033">Primitive 
               root producing quadratics</a>
%Y A094319 Cf. A094320.
%Y A094319 Sequence in context: A116213 A136544 A024048 this_sequence A003166 A034317 
               A056749
%Y A094319 Adjacent sequences: A094316 A094317 A094318 this_sequence A094320 A094321 
               A094322
%K A094319 nonn
%O A094319 0,1
%A A094319 N. J. A. Sloane (njas(AT)research.att.com), Jun 03 2004