Pyramid #144
Pyramid #145
Pyramid #146
Generating function
$$U_{145}(x, y) = \left(y + 1\right) \left(x y + x + 1\right)$$
Explicit formula
$$T_{145}(n, m, k) = {\binom{k}{n}} {\binom{k + n}{m}}$$
Data table
1 1 0 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
Related
Pyramid #146: Right on x
Pyramid #83: Left on x
Pyramid #166: Change x y
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