Generating function
$$U_{492}(x, y) = x \left(y + 1\right)^{4} + \left(y + 1\right)^{2}$$
Explicit formula
$$T_{492}(n, m, k) = {\binom{k}{n}} {\binom{2 k + 2 n}{m}}$$
| 1 | 2 | 1 | 0 | 0 | 0 | 0 |
| 1 | 4 | 6 | 4 | 1 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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