$$U_{1133}(x, y) = \frac{1}{- \frac{x \left(- 2 y - \sqrt{1 - 4 y} + 1\right)^{3}}{8 y^{6}} + 1}$$

$$T_{1133}(n, m, k) = \frac{3 n {\binom{2 m + 6 n}{m}} {\binom{k + n - 1}{n}}}{m + 3 n}$$