%I
%S 0,0,0,0,0,0,0,0,1,1,1,1,1,1,2,2,1,2,3,3,3,2,1,3,4,4,5,5,4,6,3,7,6,5,
%T 8,7,5,5,6,6,4,7,7,7,9,5,4,11,8,10,12,10,9,10,12,11,12,10,10,13,9,8,
%U 15,18,16,13,13,14,12,15,6,16,10,13,18,15,19,16,11,21,18,14,14,20,20,15
%N a(n) = number of squarefull quadratic nonresidues of n.
%H C. H. Gribble, <a href="/A165927/b165927.txt">Table of n, a(n) for n=1,...,1000</a>.
%Y Cf: A165925
%K nonn
%O 1,15
%A _Christopher Hunt Gribble_, Sep 30 2009
