Pyramid #392
Pyramid #393
Pyramid #394
Generating function
$$U_{393}(x, y) = \frac{x + 1}{\sqrt{1 - 4 y}}$$
Explicit formula
$$T_{393}(n, m, k) = 4^{m} {\binom{k}{n}} {\binom{\frac{k}{2} + m - 1}{m}}$$
Data table
1 0 0 0 0 0 0
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 0 0
Related
Pyramid #394: Right on x
Pyramid #86: Change x y
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