Generating function
$$U_{185}(x, y) = \frac{1}{x + y + 1}$$
Explicit formula
$$T_{185}(n, m, k) = \left(-1\right)^{- m + n} {\binom{k + n - 1}{n}} {\binom{k + m + n - 1}{m}}$$
| 1 | -1 | 1 | -1 | 1 | -1 | 1 |
| -1 | 2 | -3 | 4 | -5 | 6 | -7 |
| 1 | -3 | 6 | -10 | 15 | -21 | 28 |
| -1 | 4 | -1 | 2 | -35 | 56 | -84 |
| 1 | -5 | 15 | -35 | 7 | -126 | 210 |
| -1 | 6 | -21 | 56 | -126 | 252 | -462 |
| 1 | -7 | 28 | -84 | 21 | -462 | 924 |
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