Question

Number of sequences that maintain a property

score 82 · Answer 1 · 2026-04-15 17:46:58

82

Views

Number of sequences that maintain a property

Published on 15 Apr 2026 - 17:46

score 125 · Answer 2 · 2026-04-15 15:04:53

125

Views

Finding permutation with a condition

Published on 15 Apr 2026 - 15:04

score 83 · Answer 3 · 2026-04-09 23:25:11

83

Views

Permutations of geometric structure

Published on 09 Apr 2026 - 23:25

score 3k · Answer 4 · 2026-04-15 10:38:55

3k

Views

How many possible "words" can be made from the first seven letters of the alphabet, allowing for repetition and enforcing alphabetical order?

Published on 15 Apr 2026 - 10:38

score 926 · Answer 5 · 2026-04-15 00:42:24

926

Views

Find the number of ways to arrange 8 students with restriction

Published on 15 Apr 2026 - 0:42

score 1k · Answer 6 · 2026-04-15 17:07:43

1k

Views

In how many ways we can arrange 12 people in a row if 5 men are constrained to sit next to each other together?

Published on 15 Apr 2026 - 17:07

score 109 · Answer 7 · 2026-04-12 13:09:56

109

Views

A kind of permutations and possible relation to cyclic groups.

Published on 12 Apr 2026 - 13:09

score 121 · Answer 8 · 2026-04-10 22:38:14

121

Views

Distribute 20 million $ among 4 companies with some constraints

Published on 10 Apr 2026 - 22:38

score 4.8k · Answer 9 · 2026-04-14 20:52:00

4.8k

Views

Every permutation is a product of two permutations of order 2

Published on 14 Apr 2026 - 20:52

score 34 · Answer 10 · 2026-04-15 13:27:02

34

Views

Will $n$ for $A^n=\mathbb{I}$, where $A$ is any finite operation on a finite group and $\mathbb{I}$ is the identity operator, always be finite?

Published on 15 Apr 2026 - 13:27

score 60 · Answer 11 · 2026-04-16 04:30:51

60

Views

Are all sets of $n$, s.t. $R(m)^n=I$, where $R(m)$ is any sequence of $m$ moves on a Rubik's cube and $I$ is the identity operator, known?

Published on 16 Apr 2026 - 4:30

score 87 · Answer 12 · 2026-04-14 05:13:30

87

Views

If $\sigma (1 \cdots n) = (1 \cdots n) \sigma$ then $\sigma = (1 \cdots n)^i$ for certain $i$

Published on 14 Apr 2026 - 5:13

score 9.3k · Answer 13 · 2026-04-12 14:54:06

9.3k

Views

How many solutions are there to an $n$ by $n$ queens problem?

Published on 12 Apr 2026 - 14:54

score 108 · Answer 14 · 2026-04-12 17:32:15

108

Views

About the notation of composition of permutations in Lang's book

Published on 12 Apr 2026 - 17:32

score 1.1k · Answer 15 · 2026-04-13 07:41:12

1.1k

Views

How many possible combinations/permutations?

Published on 13 Apr 2026 - 7:41

List Question

Number of sequences that maintain a property

Finding permutation with a condition

Permutations of geometric structure

How many possible "words" can be made from the first seven letters of the alphabet, allowing for repetition and enforcing alphabetical order?

Find the number of ways to arrange 8 students with restriction

In how many ways we can arrange 12 people in a row if 5 men are constrained to sit next to each other together?

A kind of permutations and possible relation to cyclic groups.

Distribute 20 million $ among 4 companies with some constraints

Every permutation is a product of two permutations of order 2

Will $n$ for $A^n=\mathbb{I}$, where $A$ is any finite operation on a finite group and $\mathbb{I}$ is the identity operator, always be finite?

Are all sets of $n$, s.t. $R(m)^n=I$, where $R(m)$ is any sequence of $m$ moves on a Rubik's cube and $I$ is the identity operator, known?

If $\sigma (1 \cdots n) = (1 \cdots n) \sigma$ then $\sigma = (1 \cdots n)^i$ for certain $i$

How many solutions are there to an $n$ by $n$ queens problem?

About the notation of composition of permutations in Lang's book

How many possible combinations/permutations?

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