%I A046071
%S A046071 1,1,1,1,4,1,3,4,1,2,4,1,4,1,4,7,1,4,5,6,9,1,3,4,5,9,1,4,9,1,3,4,9,10,
%T A046071 12,1,2,4,7,8,9,11,1,4,6,9,10,1,4,9,1,2,4,8,9,13,15,16,1,4,7,9,10,13,16,
%U A046071 1,4,5,6,7,9,11,16,17,1,4,5,9,16,1,4,7,9,15,16,18,1,3,4,5,9,11,12
%N A046071 Triangle of nonzero quadratic residues mod n.
%C A046071 Rows start with 1's.
%H A046071 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               QuadraticResidue.html">Quadratic Residue.</a>
%Y A046071 Cf. A096008 (including zeros), A105612 (row lengths), A063987.
%Y A046071 Sequence in context: A067277 A061903 A084118 this_sequence A078147 A058303 
               A090724
%Y A046071 Adjacent sequences: A046068 A046069 A046070 this_sequence A046072 A046073 
               A046074
%K A046071 easy,nonn,tabf
%O A046071 2,5
%A A046071 Eric Weisstein (eric(AT)weisstein.com)
%E A046071 Edited by Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net), Nov 07 
               2006