Generating function
$$U_{198}(x, y) = \frac{y \left(x - 1\right)^{3} - 1}{x - 1}$$
Explicit formula
$$T_{198}(n, m, k) = \left(-1\right)^{n} {\binom{k}{m}} {\binom{- k + 3 m}{n}}$$
| 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| 1 | -2 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Export
Export as LaTeX
Export as Maxima
Confirm deletion
Are you sure, you want to delete Pyramid #198?