$$U_{485}(x, y) = \frac{\sqrt{3} \left(- 2 x - \sqrt{1 - 4 x} + 1\right) \sin{\left(\frac{\operatorname{asin}{\left(\frac{3 \sqrt{3} \sqrt{y}}{2} \right)}}{3} \right)}}{3 x^{2} \sqrt{y}}$$

$$T_{485}(n, m, k) = \frac{k^{2} {\binom{2 k + 2 n}{n}} {\binom{k + 3 m - 1}{m}}}{\left(k + 2 m\right) \left(k + n\right)}$$