Gottfried Helms
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# 119 Questions

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### I can Euler-sum $\sqrt{-\ln(1)}-\sqrt{-\ln(2)}+\sqrt{-\ln(3)}-\cdots$. But how can I do $\sqrt{-\ln(1)}+\sqrt{-\ln(2)}+\sqrt{-\ln(3))}+\cdots$?

apr 21 '15 at 0:34 Gottfried Helms 17.5k
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### A Ramanujan-like summation: is it correct? Is it extensible?

mar 7 '14 at 8:36 Gottfried Helms 17.5k
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### Number of primefactors in $f(n,W) = \prod_{k=1}^W (p_k^n -1) \text{ where } p_k=Prime(k)$

jan 21 '13 at 13:21 Gottfried Helms 17.5k
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