Question

a conjectured continued fraction for $\tan\left(\frac{z\pi}{4z+2n}\right)$

score 1.3k · Answer 1 · 2026-03-28 14:25:53

1.3k

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a conjectured continued fraction for $\tan\left(\frac{z\pi}{4z+2n}\right)$

Published on 28 Mar 2026 - 14:25

score 79 · Answer 2 · 2026-03-26 17:34:27

79

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about conjecture "every finite nonabelian p-group admits a noninner automorphism of order p"

Published on 26 Mar 2026 - 17:34

score 1.3k · Answer 3 · 2026-03-28 14:19:35

1.3k

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a conjectured continued-fraction for $\displaystyle\cot\left(\frac{z\pi}{4z+2n}\right)$ that leads to a new limit for $\pi$

Published on 28 Mar 2026 - 14:19

score 93 · Answer 4 · 2015-09-27 20:51:16

93

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Why Navier-Stokes solutions are expected to be $C^\infty$?

Published on 27 Sep 2015 - 20:51

score 224 · Answer 5 · 2026-03-28 14:44:09

224

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Proving the existence of consecutive quadratic residues modulo $p>5$ by means of Pell's equation

Published on 28 Mar 2026 - 14:44

score 214 · Answer 6 · 2026-03-26 04:30:24

214

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Up to which value is Rassias' conjecture verified?

Published on 26 Mar 2026 - 4:30

score 215 · Answer 7 · 2015-10-11 21:29:19

215

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Does the following equation have any solutions in $\mathbb{N}$?

Published on 11 Oct 2015 - 21:29

score 191 · Answer 8 · 2015-10-16 09:25:03

191

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Limit superior, limit inferior and a series involging $\sum_{k\nmid n}$k, where $1\leq k\leq n$

Published on 16 Oct 2015 - 9:25

score 144 · Answer 9 · 2026-03-22 10:25:15

144

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An asymptotic behavior of $\operatorname{Li}_{-n}(a)$ for $n\to\infty$

Published on 22 Mar 2026 - 10:25

score 312 · Answer 10 · 2026-03-27 18:13:23

312

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Number of Magic squares and their applications

Published on 27 Mar 2026 - 18:13

score 113 · Answer 11 · 2015-11-05 02:18:37

113

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4 Divides x Proofs of conjectures

Published on 05 Nov 2015 - 2:18

score 118 · Answer 12 · 2015-11-05 10:20:14

118

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Iterated $\sigma^k(n)$, excluding the possibility that primes $p|\sigma^t(n)$, $t< k$ divides an odd perfect number $n$

Published on 05 Nov 2015 - 10:20

score 136 · Answer 13 · 2015-11-05 14:15:59

136

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a conjecture of two equivalent q-continued fractions related to the reciprocal of the Göllnitz-Gordon continued fraction A111374-OEIS

Published on 05 Nov 2015 - 14:15

score 135 · Answer 14 · 2015-11-06 07:04:20

135

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Is it true/known/important that $(\log p_n)/n$ is nonincreasing, where $p_n$ is the $n$th odd prime number?

Published on 06 Nov 2015 - 7:04

score 368 · Answer 15 · 2015-11-07 21:16:17

368

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Twin prime conjecture implies $\limsup_{n\to\infty}\frac{\sigma(n)\pi(n)}{n^2}\left(\pi(\log n)-\frac{\pi_2(\log n)}{2C_2}\right)=e^{\gamma}$?

Published on 07 Nov 2015 - 21:16

List Question

a conjectured continued fraction for $\tan\left(\frac{z\pi}{4z+2n}\right)$

about conjecture "every finite nonabelian p-group admits a noninner automorphism of order p"

a conjectured continued-fraction for $\displaystyle\cot\left(\frac{z\pi}{4z+2n}\right)$ that leads to a new limit for $\pi$

Why Navier-Stokes solutions are expected to be $C^\infty$?

Proving the existence of consecutive quadratic residues modulo $p>5$ by means of Pell's equation

Up to which value is Rassias' conjecture verified?

Does the following equation have any solutions in $\mathbb{N}$?

Limit superior, limit inferior and a series involging $\sum_{k\nmid n}$k, where $1\leq k\leq n$

An asymptotic behavior of $\operatorname{Li}_{-n}(a)$ for $n\to\infty$

Number of Magic squares and their applications

4 Divides x Proofs of conjectures

Iterated $\sigma^k(n)$, excluding the possibility that primes $p|\sigma^t(n)$, $t< k$ divides an odd perfect number $n$

a conjecture of two equivalent q-continued fractions related to the reciprocal of the Göllnitz-Gordon continued fraction A111374-OEIS

Is it true/known/important that $(\log p_n)/n$ is nonincreasing, where $p_n$ is the $n$th odd prime number?

Twin prime conjecture implies $\limsup_{n\to\infty}\frac{\sigma(n)\pi(n)}{n^2}\left(\pi(\log n)-\frac{\pi_2(\log n)}{2C_2}\right)=e^{\gamma}$?

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