Pyramid #386
Generating function
$$U_{386}(x, y) = \left(x + 1\right) \left(y + 1\right)^{2}$$
Explicit formula
$$T_{386}(n, m, k) = {\binom{k}{n}} {\binom{2 k}{m}}$$
Data table
1 2 1 0 0 0 0
1 2 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 0
Export
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