MathItems

Theorem T4

Item references:

D1

Concept references:

harmonic-number

Let $H_n$ be the harmonic numbers. Then

\sum_{k=1}^{n-1} H_k = n H_n - n

for $n \geq 1$ .

Created at 2016-10-31 05:58

Validations:

Roger B. Nelsen, Proofs without Words II (Classroom Resource Materials), Page 116