user97357329's user avatar
user97357329's user avatar
user97357329's user avatar
user97357329
  • Member for 5 years, 2 months
  • Last seen this week
14 votes
3 answers
2k views

A daunting double integral with a simple closed form

12 votes
1 answer
1k views

An atypical integral with arctan, log, and radical

12 votes
1 answer
419 views

A somewhat intriguing dilogarithmic integral

11 votes
2 answers
1k views

Two very advanced harmonic series of weight $5$

10 votes
1 answer
825 views

An intriguing integral representation of $\zeta^2(3)$

8 votes
3 answers
560 views

The calculation of the series $\sum_{n=1}^{\infty} (-1)^{n-1}\frac{H_{2n}}{n^4}$

8 votes
1 answer
435 views

An atypical special harmonic series

8 votes
0 answers
379 views

Two nice (challenging) binoharmonic series

7 votes
0 answers
250 views

Series with numbers $\sum _{k=0}^{n-1}\frac{1}{2^k }\binom{2 k}{k}$

6 votes
0 answers
229 views

A multitude of challenging logarithmic integrals (Second part)

6 votes
0 answers
304 views

A multitude of challenging logarithmic integrals (Third part)

4 votes
2 answers
268 views

A special harmonic series discovered by Jonathan Borwein and David Bailey

3 votes
1 answer
206 views

A generalization involving a logarithmic integral

3 votes
0 answers
284 views

A multitude of challenging logarithmic integrals (First part)

3 votes
0 answers
311 views

Two tough integrals with logarithms and polylogarithms

2 votes
0 answers
339 views

A sum of six alternating harmonic series

2 votes
2 answers
396 views

An advanced harmonic series of weight $5$ with harmonic numbers $\overline{H}_n$

2 votes
0 answers
348 views

A sum of two curious alternating binoharmonic series

1 vote
2 answers
475 views

A difficult infinite product