Generating function
$$U_{388}(x, y) = \frac{- y^{2} - 2 y - 1}{x y^{2} + 2 x y + x - 1}$$
Explicit formula
$$T_{388}(n, m, k) = {\binom{2 k + 2 n}{m}} {\binom{k + n - 1}{n}}$$
| 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 |
| 1 | 12 | 66 | 22 | 495 | 792 | 924 |
| 1 | 14 | 91 | 364 | 1001 | 2002 | 3003 |
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