Generating function
$$U_{985}(x, y) = \left(y + 1\right)^{2} \left(x \left(y + 1\right) + 1\right)$$
Explicit formula
$$T_{985}(n, m, k) = {\binom{k}{n}} {\binom{2 k + n}{m}}$$
1 | 2 | 1 | 0 | 0 | 0 | 0 |
1 | 3 | 3 | 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 | 0 |
Export
Export as LaTeX
Export as Maxima
Confirm deletion
Are you sure, you want to delete Pyramid #985?