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Real-valued functions of real variable, analytic properties of functions and sequences, limits, continuity, smoothness of these.

46 votes
2 answers
6k views

Is the following identity true?

Calculation suggests the following identity: $$ \lim_{n\to \infty}\sum_{k=1}^{n}\frac{(-1)^k}{k}\sum_{j=1}^k\frac{1}{2j-1}=\frac{1-\sqrt{5}}{2}. $$ I have verified this identity for $n$ up to $5000$ …
Chitsai Liu's user avatar
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