% 3
x1^2*x2
x1^3

% 4
x1^2*x3^2

% 5
x1*x2^4
x1^2*x3*x4^2

% 6
x1*x2^3*x3^2
x1^2*x3*x4*x5^2

% 7
x1*x2^3*x3*x4*x5
x1*x2^3*x3*x4^2
x1^2*x3*x5^4

% 8
x1*x2^3*x4^2*x5^2
x1*x2^3*x4^3*x5
x1*x2^3*x4^4
x1*x2^3*x3*x5^3
x1^2*x4^6

% 9
x2^9
x1*x2^2*x3^4*x4^2
x1*x2^2*x3^5*x5
x1*x2^2*x3^5*x4
x1*x2^2*x3^6
x1*x2^3*x5^5
x1*x2^3*x4*x5^4

