Harmonic number
From specialfunctionswiki
The Harmonic numbers $\{H_1,H_2,\ldots\}$ are defined by the formula $$H_n = \displaystyle\sum_{k=1}^n \dfrac{1}{k}=1+\dfrac{1}{2}+\dfrac{1}{3}+\ldots+\dfrac{1}{n}.$$
The Harmonic numbers $\{H_1,H_2,\ldots\}$ are defined by the formula $$H_n = \displaystyle\sum_{k=1}^n \dfrac{1}{k}=1+\dfrac{1}{2}+\dfrac{1}{3}+\ldots+\dfrac{1}{n}.$$
