%I #13 Jan 27 2018 06:26:42
%S 0,1,3,4,5,9
%N Squares mod 11.
%o (Sage) [quadratic_residues(11)] # _Zerinvary Lajos_, May 24 2009
%K nonn,fini,full
%O 1,3
%A _N. J. A. Sloane_