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Donald Splutterwit
  • Member for 5 years, 6 months
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31 votes
5 answers
1k views

Is there a closed-form solution for $\sum_{n=1}^{\infty} \sum_{m=1}^{\infty} \frac{1}{nm(3n+m)}$?

11 votes
3 answers
236 views

A double sum or a definite integral.

8 votes
4 answers
339 views

A double sum for the square of the natural logarithm of $2$.

6 votes
1 answer
403 views

Elliptic Integrals & Gamma Functions of Rational values.

4 votes
0 answers
212 views

Show the integral identity $\int_0^1 \frac{\ln(1-x) (\ln(1+x))^2}{x} dx = -\frac{\pi^4}{240}$ [duplicate]

3 votes
2 answers
91 views

Asymptotic behaviour of the quantities involving sums over primes.

1 vote
4 answers
196 views

A double integral for $\frac{\pi}{2} \ln 2$.

0 votes
2 answers
90 views

A simple Inequality?

0 votes
0 answers
60 views

A question about Dirichelet Series.