Generating function
$$U_{918}(x, y) = - \frac{1}{x + 2 y - 1}$$
Explicit formula
$$T_{918}(n, m, k) = \frac{2^{m} k {\binom{k + n}{n}} {\binom{k + m + n - 1}{m}}}{k + n}$$
| 1 | 2 | 4 | 8 | 16 | 32 | 64 |
| 1 | 4 | 12 | 32 | 8 | 192 | 448 |
| 1 | 6 | 24 | 8 | 24 | 672 | 1792 |
| 1 | 8 | 4 | 16 | 56 | 1792 | 5376 |
| 1 | 1 | 6 | 28 | 112 | 4032 | 1344 |
| 1 | 12 | 84 | 448 | 2016 | 8064 | 29568 |
| 1 | 14 | 112 | 672 | 336 | 14784 | 59136 |
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