%I A046147
%S A046147 1,2,3,2,3,5,3,5,2,5,3,7,2,6,7,8,2,6,7,11,3,5,3,5,6,7,10,11,12,14,5,
%T A046147 11,2,3,10,13,14,15,7,13,17,19,5,7,10,11,14,15,17,19,20,21,2,3,8,12,
%U A046147 13,17,22,23,7,11,15,19,2,5,11,14,20,23,2,3,8,10,11,14,15,18,19,21,26
%N A046147 Triangle of primitive roots of n (suppressing numbers without primitive 
               roots).
%H A046147 T. D. Noe, <a href="b046147.txt">First 100 rows of triangle, flattened</
               a>
%H A046147 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 A046147 Cf. A001918, A046144, A046145, A046146.
%Y A046147 Cf. A060749
%Y A046147 Sequence in context: A138239 A112484 A124459 this_sequence A052369 A110976 
               A151570
%Y A046147 Adjacent sequences: A046144 A046145 A046146 this_sequence A046148 A046149 
               A046150
%K A046147 nonn,tabl
%O A046147 1,2
%A A046147 Eric Weisstein (eric(AT)weisstein.com)