Question

For any integer n, $78n^2+72n+2018$ is expressed as sum of four perfect cubes.

score 301 · Answer 1 · 2026-03-25 14:45:55

301

Views

For any integer n, $78n^2+72n+2018$ is expressed as sum of four perfect cubes.

Published on 25 Mar 2026 - 14:45

score 122 · Answer 2 · 2018-04-27 09:42:07

122

Views

Find all triples $(x,y,z)$ of positive integers such that $2018^x=y^2+z^2+1$

Published on 27 Apr 2018 - 9:42

score 462 · Answer 3 · 2026-03-22 14:14:54

462

Views

Sum of two squares equal to $2018^{2019}+2018$

Published on 22 Mar 2026 - 14:14

score 80 · Answer 4 · 2026-03-25 23:38:07

80

Views

Confusion about sum of squares.

Published on 25 Mar 2026 - 23:38

score 137 · Answer 5 · 2026-03-25 23:38:01

137

Views

Does every sum-of-squares equation have a plane geometric interpretation?

Published on 25 Mar 2026 - 23:38

score 163 · Answer 6 · 2018-05-07 12:53:41

163

Views

How do I find the sum of the series -1^2-2^2+3^2+4^2-5^2… upto 4n terms?

Published on 07 May 2018 - 12:53

score 77 · Answer 7 · 2026-03-25 07:45:56

77

Views

Does $\exists n : 6 + \sum_{i=2}^n p_i = x^6+y^6$ for $p_i$ the $i^{\text{th}}$ prime and $x,y\in\mathbb{Z}$?

Published on 25 Mar 2026 - 7:45

score 46 · Answer 8 · 2026-03-25 07:41:47

46

Views

What the difference is between TypeI/II/III SS in ANOVA?

Published on 25 Mar 2026 - 7:41

score 67 · Answer 9 · 2026-03-25 07:46:02

67

Views

How can be proved that every square number can be expressed as the sum of another square number and some semiprime number?

Published on 25 Mar 2026 - 7:46

score 725 · Answer 10 · 2026-03-22 12:57:36

725

Views

Integer as sum of 6 positive squares

Published on 22 Mar 2026 - 12:57

score 271 · Answer 11 · 2026-03-25 01:40:07

271

Views

Product of $(4k-1)$ primes can't be sum of 2 squares

Published on 25 Mar 2026 - 1:40

score 44 · Answer 12 · 2018-06-21 12:37:50

44

Views

why sum of squares equals to assign the variable evenly in linear programming

Published on 21 Jun 2018 - 12:37

score 91 · Answer 13 · 2026-03-25 01:23:54

91

Views

A Peculiar Sum Of Squares

Published on 25 Mar 2026 - 1:23

score 182 · Answer 14 · 2026-03-25 03:04:06

182

Views

Which primes $\mathfrak{p}$ can be written as sums of two squares in $\mathbb{Q}(\sqrt[3]{2})$?

Published on 25 Mar 2026 - 3:04

score 209 · Answer 15 · 2026-03-22 14:06:11

209

Views

When is $n^2-1$ a sum of two squares?

Published on 22 Mar 2026 - 14:06

List Question

For any integer n, $78n^2+72n+2018$ is expressed as sum of four perfect cubes.

Find all triples $(x,y,z)$ of positive integers such that $2018^x=y^2+z^2+1$

Sum of two squares equal to $2018^{2019}+2018$

Confusion about sum of squares.

Does every sum-of-squares equation have a plane geometric interpretation?

How do I find the sum of the series -1^2-2^2+3^2+4^2-5^2… upto 4n terms?

Does $\exists n : 6 + \sum_{i=2}^n p_i = x^6+y^6$ for $p_i$ the $i^{\text{th}}$ prime and $x,y\in\mathbb{Z}$?

What the difference is between TypeI/II/III SS in ANOVA?

How can be proved that every square number can be expressed as the sum of another square number and some semiprime number?

Integer as sum of 6 positive squares

Product of $(4k-1)$ primes can't be sum of 2 squares

why sum of squares equals to assign the variable evenly in linear programming

A Peculiar Sum Of Squares

Which primes $\mathfrak{p}$ can be written as sums of two squares in $\mathbb{Q}(\sqrt[3]{2})$?

When is $n^2-1$ a sum of two squares?

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