Generating function
$$U_{317}(x, y) = - \frac{1}{\left(1 - y\right)^{4} \left(x - \frac{1}{\left(1 - y\right)^{2}}\right)}$$
Explicit formula
$$T_{317}(n, m, k) = {\binom{k + n - 1}{n}} {\binom{2 k + m - 2 n - 1}{m}}$$
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | -2 | 1 | 0 | 0 | 0 | 0 |
| 1 | -4 | 6 | -4 | 1 | 0 | 0 |
| 1 | -6 | 15 | -2 | 15 | -6 | 1 |
| 1 | -8 | 28 | -56 | 7 | -56 | 28 |
| 1 | -1 | 45 | -12 | 21 | -252 | 21 |
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