Definition:Leibniz Harmonic Triangle/Diagonal

Definition
Consider the Leibniz harmonic triangle:

The $n$th diagonal of Leibniz harmonic triangle consists of the entries in row $n + m$ and column $m$ for $m \ge 0$:
 * $\left({n, 0}\right), \left({n + 1, 1}\right), \left({n + 2, 2}\right), \ldots$

Hence the diagonal leading down and to the right from $\left({0, 0}\right)$, containing the reciprocals of the non-negative integers, is identified as the zeroth diagonal, or diagonal $0$.

Also see

 * Definition:Row of Leibniz Harmonic Triangle
 * Definition:Column of Leibniz Harmonic Triangle