Question

How many tuples of {$a, b, c, \ldots$} satisfy $a+b+c+\ldots \leq n$?

score 565 · Answer 1 · 2026-03-26 22:15:23

565

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How many tuples of {$a, b, c, \ldots$} satisfy $a+b+c+\ldots \leq n$?

Published on 26 Mar 2026 - 22:15

score 62 · Answer 2 · 2019-06-03 16:47:38

62

Views

Resistor network with resistance of $\pi$

Published on 03 Jun 2019 - 16:47

score 70 · Answer 3 · 2019-06-04 20:21:56

70

Views

Is there a function $*:\mathbb{Z}\times\mathbb{Z}\to\mathbb{R}$ which has a "retraction" which ignores order in $\mathbb{Z}\times\mathbb{Z}$?

Published on 04 Jun 2019 - 20:21

score 44 · Answer 4 · 2026-03-27 07:25:54

44

Views

help for tedious counting problem

Published on 27 Mar 2026 - 7:25

score 805 · Answer 5 · 2019-06-09 10:58:03

805

Views

Computing round integers

Published on 09 Jun 2019 - 10:58

score 768 · Answer 6 · 2019-06-09 16:57:53

768

Views

Values without integer solutions in linear Diophantine Equation

Published on 09 Jun 2019 - 16:57

score 56 · Answer 7 · 2026-03-20 00:56:23

56

Views

Integer sequence that "fills a range in a balanced way"

Published on 20 Mar 2026 - 0:56

score 41 · Answer 8 · 2019-06-11 17:54:49

41

Views

Construct a group of all integers such that all elements have order 3 except identity

Published on 11 Jun 2019 - 17:54

score 41 · Answer 9 · 2019-06-14 00:00:09

Integer solutions to $\left(p + \frac{r}{a}\right)\left(p -1 + \frac{r}{a}\right) - \left(m + \frac{1}{a}\right)\left(m - 1+ \frac{1}{a}\right) = 0$

score 572 · Answer 10 · 2019-06-15 13:51:47

572

Views

Base and height of equilateral triangle that are closest to integers

Published on 15 Jun 2019 - 13:51

score 59 · Answer 11 · 2019-06-15 16:13:55

How many of the 1024 integers in the set (1024, 1025, 1026, . . . , 2047) have more 1’s than 0’s in their binary representation?

score 976 · Answer 12 · 2026-03-27 03:59:47

976

Views

Reducibility of $x^3+nx+1$ over $ \Bbb Z$

Published on 27 Mar 2026 - 3:59

score 138 · Answer 13 · 2019-06-22 19:05:02

138

Views

Algorithm for finding least $b$ such that $2^b \equiv 2^a \pmod{m}$

Published on 22 Jun 2019 - 19:05

score 69 · Answer 14 · 2026-03-26 08:03:48

69

Views

Interlacing with arithmetic progressions?

Published on 26 Mar 2026 - 8:03

score 113 · Answer 15 · 2019-06-27 16:59:23

113

Views

Integer division using only case analysis, without loops

Published on 27 Jun 2019 - 16:59

List Question

How many tuples of {$a, b, c, \ldots$} satisfy $a+b+c+\ldots \leq n$?

Resistor network with resistance of $\pi$

Is there a function $*:\mathbb{Z}\times\mathbb{Z}\to\mathbb{R}$ which has a "retraction" which ignores order in $\mathbb{Z}\times\mathbb{Z}$?

help for tedious counting problem

Computing round integers

Values without integer solutions in linear Diophantine Equation

Integer sequence that "fills a range in a balanced way"

Construct a group of all integers such that all elements have order 3 except identity

Integer solutions to $\left(p + \frac{r}{a}\right)\left(p -1 + \frac{r}{a}\right) - \left(m + \frac{1}{a}\right)\left(m - 1+ \frac{1}{a}\right) = 0$

Base and height of equilateral triangle that are closest to integers

How many of the 1024 integers in the set (1024, 1025, 1026, . . . , 2047) have more 1’s than 0’s in their binary representation?

Reducibility of $x^3+nx+1$ over $ \Bbb Z$

Algorithm for finding least $b$ such that $2^b \equiv 2^a \pmod{m}$

Interlacing with arithmetic progressions?

Integer division using only case analysis, without loops

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