Question

Equivalence of the Multidimensional van der Waerden Theorem

score 164 · Answer 1 · 2026-04-13 01:59:17

164

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Equivalence of the Multidimensional van der Waerden Theorem

Published on 13 Apr 2026 - 1:59

score 209 · Answer 2 · 2026-04-13 22:58:51

209

Views

Number of ways to divide n identical objects into groups

Published on 13 Apr 2026 - 22:58

score 152 · Answer 3 · 2026-04-14 05:52:37

152

Views

Degree of a formal power series involving Mobius function

Published on 14 Apr 2026 - 5:52

score 99 · Answer 4 · 2026-04-16 13:46:20

99

Views

How many even/odd numbers can be formed within a specified range?

Published on 16 Apr 2026 - 13:46

score 165 · Answer 5 · 2026-04-15 19:32:36

165

Views

Number of Arrangements of Couples

Published on 15 Apr 2026 - 19:32

score 115 · Answer 6 · 2026-04-12 20:03:20

115

Views

Stirling number of the second kind solution from another recurrence

Published on 12 Apr 2026 - 20:03

score 146 · Answer 7 · 2026-04-17 00:26:33

146

Views

Possible combinations for rolling 5 similar dice

Published on 17 Apr 2026 - 0:26

score 1.1k · Answer 8 · 2026-04-13 08:41:06

Minimum needed colors to color the vertices of cube such that no two vertices on the same edge of the cube are the same color.

score 1.3k · Answer 9 · 2026-04-12 03:00:59

1.3k

Views

Is there a general formula for the sum of combinations?

Published on 12 Apr 2026 - 3:00

score 241 · Answer 10 · 2026-05-06 00:59:28

241

Views

Guess 4 digit number where each digit has a range from [ 1, 6 ] with oracle

Published on 06 May 2026 - 0:59

score 59 · Answer 11 · 2026-04-11 11:23:08

59

Views

Help understanding a strong induction example in Bona's "A walk through Combinatorics"

Published on 11 Apr 2026 - 11:23

score 1.2k · Answer 12 · 2026-04-14 13:53:10

1.2k

Views

(Combinatorial?) Proof of the identity $\sum_{k=1}^n \frac {(-1)^k}{k\,(k+1)}\binom nk = \frac 12 + \frac 13 + \dots + \frac 1{n+1}$?

Published on 14 Apr 2026 - 13:53

score 169 · Answer 13 · 2026-04-16 03:34:27

At most how many $42$-element subsets of $\{1,2,\dots,2018\}$ are such that, for any two, one consists of the $42$ smallest elements of their union?

score 196 · Answer 14 · 2026-04-16 01:20:32

196

Views

To draw a graph with only two eccentricties.

Published on 16 Apr 2026 - 1:20

score 6k · Answer 15 · 2026-04-11 16:54:00

6k

Views

distribution of distinct objects into identical boxes

Published on 11 Apr 2026 - 16:54

List Question

Equivalence of the Multidimensional van der Waerden Theorem

Number of ways to divide n identical objects into groups

Degree of a formal power series involving Mobius function

How many even/odd numbers can be formed within a specified range?

Number of Arrangements of Couples

Stirling number of the second kind solution from another recurrence

Possible combinations for rolling 5 similar dice

Minimum needed colors to color the vertices of cube such that no two vertices on the same edge of the cube are the same color.

Is there a general formula for the sum of combinations?

Guess 4 digit number where each digit has a range from [ 1, 6 ] with oracle

Help understanding a strong induction example in Bona's "A walk through Combinatorics"

(Combinatorial?) Proof of the identity $\sum_{k=1}^n \frac {(-1)^k}{k\,(k+1)}\binom nk = \frac 12 + \frac 13 + \dots + \frac 1{n+1}$?

At most how many $42$-element subsets of $\{1,2,\dots,2018\}$ are such that, for any two, one consists of the $42$ smallest elements of their union?

To draw a graph with only two eccentricties.

distribution of distinct objects into identical boxes

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