Question

Circular permutations with alike objects

score 1.4k · Answer 1 · 2026-03-25 01:13:14

1.4k

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Circular permutations with alike objects

Published on 25 Mar 2026 - 1:13

score 319 · Answer 2 · 2018-01-24 12:39:14

319

Views

Number of possibilities to rearrange a word such that a character is to the right of the other

Published on 24 Jan 2018 - 12:39

score 54 · Answer 3 · 2026-03-24 21:59:40

54

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Exponential bound for $k + \ln (^nC_k)$

Published on 24 Mar 2026 - 21:59

score 79 · Answer 4 · 2018-01-24 18:25:26

79

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How many solutions in integers are there to the equation $_1+_2+⋯+_{500}=340$ , such that for every $: 0≤_≤1$?

Published on 24 Jan 2018 - 18:25

score 960 · Answer 5 · 2026-03-25 06:16:20

960

Views

Multiple Category Combination Problem

Published on 25 Mar 2026 - 6:16

score 561 · Answer 6 · 2026-03-20 00:35:21

561

Views

Permutation induced by a partition

Published on 20 Mar 2026 - 0:35

score 146 · Answer 7 · 2018-01-25 01:02:23

146

Views

Number of sequences with $k$ subsequences of $11$

Published on 25 Jan 2018 - 1:02

score 75 · Answer 8 · 2018-01-25 02:00:34

75

Views

What does it mean for a function $g$ to be a permutation that fixes the image of $f$ pointwise?

Published on 25 Jan 2018 - 2:00

score 1.3k · Answer 9 · 2018-01-25 02:04:55

1.3k

Views

Chances of choosing 5 right numbers out of 6 out of 41

Published on 25 Jan 2018 - 2:04

score 146 · Answer 10 · 2026-03-26 14:12:13

146

Views

How many ways can a drummer with a varying amount of limbs play?

Published on 26 Mar 2026 - 14:12

score 514 · Answer 11 · 2026-03-26 14:12:12

514

Views

In how many ways can $4$ boys and $4$ girls be seated in $2$ concentric circles if there are four in each circle?

Published on 26 Mar 2026 - 14:12

score 924 · Answer 12 · 2026-03-26 20:55:59

924

Views

generating functions permutation

Published on 26 Mar 2026 - 20:55

score 1.2k · Answer 13 · 2018-01-25 09:11:31

1.2k

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Combinatorics: number of ways to seat 5 children in a line with rules

Published on 25 Jan 2018 - 9:11

score 158 · Answer 14 · 2018-01-25 09:58:27

A half-series is a series of numbers in which every number (except the first) is either double the previous element, or half of the previous element.

score 140 · Answer 15 · 2018-01-25 10:55:06

140

Views

How many possible ways are there to seat down 20 men and 20 women on a bench of length 40, such that no two women are adjacent?

Published on 25 Jan 2018 - 10:55

List Question

Circular permutations with alike objects

Number of possibilities to rearrange a word such that a character is to the right of the other

Exponential bound for $k + \ln (^nC_k)$

How many solutions in integers are there to the equation $_1+_2+⋯+_{500}=340$ , such that for every $: 0≤_≤1$?

Multiple Category Combination Problem

Permutation induced by a partition

Number of sequences with $k$ subsequences of $11$

What does it mean for a function $g$ to be a permutation that fixes the image of $f$ pointwise?

Chances of choosing 5 right numbers out of 6 out of 41

How many ways can a drummer with a varying amount of limbs play?

In how many ways can $4$ boys and $4$ girls be seated in $2$ concentric circles if there are four in each circle?

generating functions permutation

Combinatorics: number of ways to seat 5 children in a line with rules

A half-series is a series of numbers in which every number (except the first) is either double the previous element, or half of the previous element.

How many possible ways are there to seat down 20 men and 20 women on a bench of length 40, such that no two women are adjacent?

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