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A question about the Legendre symbol $\left(\frac{1+a}{p}\right)$

score 54 · Answer 1 · 2026-04-12 02:42:04

54

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A question about the Legendre symbol $\left(\frac{1+a}{p}\right)$

Published on 12 Apr 2026 - 2:42

score 426 · Answer 2 · 2026-04-03 15:39:44

426

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Is $577^3$ the smallest cube that is expressible as the sum of $3$ positive cubes in $6$ different ways?

Published on 03 Apr 2026 - 15:39

score 566 · Answer 3 · 2026-03-25 20:22:58

566

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Is there a number of the form $f(n)=7k+6=5p$ with prime $p$?

Published on 25 Mar 2026 - 20:22

score 297 · Answer 4 · 2026-04-11 07:18:40

297

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A question about cyclic group and Euler’s totient function

Published on 11 Apr 2026 - 7:18

score 145 · Answer 5 · 2026-03-25 20:18:25

145

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Does $\sum (-1)^n p_n$ converge to $0$ for even $n$?

Published on 25 Mar 2026 - 20:18

score 1.9k · Answer 6 · 2026-04-12 17:26:38

1.9k

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A game with n piles of marbles

Published on 12 Apr 2026 - 17:26

score 328 · Answer 7 · 2026-04-12 16:01:57

328

Views

Prove the group of complex points on an elliptic curve is not finitely generated.

Published on 12 Apr 2026 - 16:01

score 69 · Answer 8 · 2026-04-09 10:43:27

69

Views

Counting argument for $\sum \frac{\sigma}{n}$

Published on 09 Apr 2026 - 10:43

score 2.7k · Answer 9 · 2026-04-09 16:45:16

2.7k

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How to solve $\sum_{k=1}^{\infty} ke^{-k}$?

Published on 09 Apr 2026 - 16:45

score 127 · Answer 10 · 2026-04-10 22:00:47

127

Views

Closed form to exponential equation?

Published on 10 Apr 2026 - 22:00

score 38 · Answer 11 · 2026-04-12 13:11:02

38

Views

what are the different factors (other than 1) of number containing following primes

Published on 12 Apr 2026 - 13:11

score 65 · Answer 12 · 2018-02-25 22:27:19

65

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For each intger $k \geq 1 $, determine the average order of $\sigma_k(n)$

Published on 25 Feb 2018 - 22:27

score 97 · Answer 13 · 2026-03-25 01:16:51

97

Views

General formulae to jump Fibonacci indexes by arbitrary multiples? i.e: $TriplingFunction(F_{n}) = F_{3n}$

Published on 25 Mar 2026 - 1:16

score 88 · Answer 14 · 2026-04-12 16:23:24

88

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decomposing and the summing a sum.

Published on 12 Apr 2026 - 16:23

score 173 · Answer 15 · 2026-04-12 06:02:08

173

Views

How might I prove that an n-length subset of {1,2,..2n-2} must have at least 2 consecutive members?

Published on 12 Apr 2026 - 6:02

List Question

A question about the Legendre symbol $\left(\frac{1+a}{p}\right)$

Is $577^3$ the smallest cube that is expressible as the sum of $3$ positive cubes in $6$ different ways?

Is there a number of the form $f(n)=7k+6=5p$ with prime $p$?

A question about cyclic group and Euler’s totient function

Does $\sum (-1)^n p_n$ converge to $0$ for even $n$?

A game with n piles of marbles

Prove the group of complex points on an elliptic curve is not finitely generated.

Counting argument for $\sum \frac{\sigma}{n}$

How to solve $\sum_{k=1}^{\infty} ke^{-k}$?

Closed form to exponential equation?

what are the different factors (other than 1) of number containing following primes

For each intger $k \geq 1 $, determine the average order of $\sigma_k(n)$

General formulae to jump Fibonacci indexes by arbitrary multiples? i.e: $TriplingFunction(F_{n}) = F_{3n}$

decomposing and the summing a sum.

How might I prove that an n-length subset of {1,2,..2n-2} must have at least 2 consecutive members?

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