%I A046146
%S A046146 0,0,1,2,3,3,5,5,0,5,7,8,0,11,5,0,0,14,11,15,0,0,19,21,0,23,19,23,0,27,
%T A046146 0,24,0,0,31,0,0,35,33,0,0,35,0,34,0,0,43,45,0,47,47,0,0,51,47,0,0,0,
%U A046146 55,56,0,59,55,0,0,0,0,63,0,0,0,69,0,68,69,0,0,0,0,77,0,77,75,80,0,0
%N A046146 Largest primitive root of n, or 0 if no root exists.
%C A046146 The value 0 at index 0 says 0 has no primitive roots, but the 0 at index 
               1 says 1 has a primitive root of 0, the only real 0 in the sequence. 
               - Initial terms corrected by Harry J. Smith (hjsmithh(AT)sbcglobal.net), 
               Jan 27 2005
%H A046146 T. D. Noe, <a href="b046146.txt">Table of n, a(n) for n=0..10000</a>
%H A046146 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               PrimitiveRoot.html">Link to a section of The World of Mathematics.</
               a>
%Y A046146 Cf. A001918, A046144, A046145.
%Y A046146 Sequence in context: A130157 A158745 A103310 this_sequence A081768 A072923 
               A131922
%Y A046146 Adjacent sequences: A046143 A046144 A046145 this_sequence A046147 A046148 
               A046149
%K A046146 nonn
%O A046146 0,4
%A A046146 Eric Weisstein (eric(AT)weisstein.com)
%E A046146 Initial terms corrected by Harry J. Smith (hjsmithh(AT)sbcglobal.net), 
               Jan 27 2005