Pyramid #95
Generating function
$$U_{95}(x, y) = \frac{x + y}{\left(- x - y + 1\right)^{3}}$$
Explicit formula
$$T_{95}(n, m, k) = {\binom{m + n}{m}} {\binom{2 k + m + n - 1}{- k + m + n}}$$
Data table
0 1 3 6 1 15 21
1 6 18 4 75 126 196
3 18 6 15 315 588 1008
6 4 15 42 98 2016 378
1 75 315 98 252 567 1155
15 126 588 2016 567 1386 30492
21 196 1008 378 1155 30492 72072
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