$$U_{484}(x, y) = \frac{\frac{2 x}{3} + \frac{\left(y + 1\right)^{4}}{9}}{\sqrt[3]{\frac{x^{2}}{2 \left(y + 1\right)^{2}} + \frac{\sqrt{3} x \sqrt{x \left(27 x + 4 \left(y + 1\right)^{4}\right)}}{18 \left(y + 1\right)^{2}} + \frac{x \left(y + 1\right)^{2}}{3} + \frac{\left(y + 1\right)^{6}}{27}}} + \frac{\left(y + 1\right)^{2}}{3} + \sqrt[3]{\frac{x^{2}}{2 \left(y + 1\right)^{2}} + \frac{\sqrt{3} x \sqrt{x \left(27 x + 4 \left(y + 1\right)^{4}\right)}}{18 \left(y + 1\right)^{2}} + \frac{x \left(y + 1\right)^{2}}{3} + \frac{\left(y + 1\right)^{6}}{27}}$$

$$T_{484}(n, m, k) = \begin{cases}{\binom{2 k}{m}}&\text{if n=0} ,\ \\\frac{2 k {\binom{2 k - 4 n}{m}} {\binom{2 k - 2 n - 1}{n - 1}}}{n}&\text{if n>0} \end{cases} $$