%I #3 Apr 09 2013 17:18:08

%S 1,1,1,1,1,1,2,1,1,2,2,2,1,1,2,2,2,2,3,2,1,2,3,2,2,2,3,3,2,2,3,2,1,3,

%T 4,2,2,2,3,3,2,4,4,2,2,2,5,4,2,2,3,4,2,2,5,2,2,4,6,4,2,2,3,3,3,4,4,3,

%U 2,4,6,3,2,2,4,4,3,3,6,4,1,5,6,4,3,2,4

%N Nonzero terms in A107628; related to quadratic forms ax^2 + bxy + cy^2.

%H T. D. Noe, <a href="/A223708/b223708.txt">Table of n, a(n) for n = 1..5000</a>

%Y Cf. A107628.

%K nonn

%O 1,7

%A _T. D. Noe_, Apr 09 2013