List questions from recreational-mathematics

Published on 22 Apr 2018 - 0:33

244

Views

Does inscribing a circle, then a triangle, then ..., inside of an initial triangle telescope to some "center" of that triangle?

Published on 25 Mar 2026 - 22:30

394

Views

Least number of rounds to find all hidden pairs

Published on 25 Mar 2026 - 6:12

250

Views

GEB: Is MUUI a MIU-string?

Published on 25 Mar 2026 - 16:06

523

Views

Is the sum of digits of $\left(16^k - 1\right)$ less than $6k$ for $k > 223$?

Published on 29 Apr 2018 - 0:01

1.9k

Views

Hat and River Problem

Published on 25 Mar 2026 - 12:47

89

Views

Number matching lottery winning probability

Published on 01 May 2018 - 4:52

36

Views

Something about an "index of consecutiveness"

Published on 25 Mar 2026 - 0:32

89

Views

On Obtaining Positions in 2048

Published on 04 May 2018 - 3:23

117

Views

How many routes from $(0,0)$ to $(2n,2n)$ avoiding $(2k+1,2k+1)$?

Published on 04 May 2018 - 23:18

697

Views

Non-self-intersecting "Robot Walks"

Published on 25 Mar 2026 - 1:14

132

Views

Recreational: take power into integral

Published on 25 Mar 2026 - 17:51

257

Views

Is $387420547$ another counter example to John H. Conway's Problem $5$?

Published on 25 Mar 2026 - 7:49

483

Views

How to reach 1000 reputation?

Published on 07 May 2018 - 9:53

412

Views

Recreational integral problem: $\int_0^1 (x+\sqrt[3]{x^3-1})^{2018}dx$

Published on 07 May 2018 - 23:29

List Question

Curve for similar triangles

Does inscribing a circle, then a triangle, then ..., inside of an initial triangle telescope to some "center" of that triangle?

Least number of rounds to find all hidden pairs

GEB: Is MUUI a MIU-string?

Is the sum of digits of $\left(16^k - 1\right)$ less than $6k$ for $k > 223$?

Hat and River Problem

Number matching lottery winning probability

Something about an "index of consecutiveness"

On Obtaining Positions in 2048

How many routes from $(0,0)$ to $(2n,2n)$ avoiding $(2k+1,2k+1)$?

Non-self-intersecting "Robot Walks"

Recreational: take power into integral

Is $387420547$ another counter example to John H. Conway's Problem $5$?

How to reach 1000 reputation?

Recreational integral problem: $\int_0^1 (x+\sqrt[3]{x^3-1})^{2018}dx$

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