$$U_{606}(x, y) = \frac{2 \sqrt{3} \sin{\left(\frac{\arcsin{\left(\frac{3 \sqrt{3} \sqrt{x}}{2} \right)}}{3} \right)}}{3 \sqrt{x} \sqrt{1 - 4 y}}$$

$$T_{606}(n, m, k) = \frac{4^{m} k {\binom{\frac{k}{2} + m - 1}{m}} {\binom{k + 3 n - 1}{n}}}{k + 2 n}$$