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Mathematics
Jaap Scherphuis's user avatar
Jaap Scherphuis's user avatar
Jaap Scherphuis's user avatar
Jaap Scherphuis
  • Member for 7 years, 11 months
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28
How few disks are needed to cover a square efficiently?
Aug 14, 2018
24
In how many different ways can a 9-panel comic grid be used?
May 19, 2017
21
Can all arbuzoids assume the same color?
Jul 16, 2018
17
Can we form a rectangle with integral lengths using an odd number of copies of this domino?
Feb 15
13
Make triangle of rods (game strategy)
Aug 8, 2018
11
Domino tilings in a specific figure, math olympiad problem
Jan 14, 2020
10
Does these arithmetic means of Pythagorean triangles converge?
Oct 3, 2019
10
Does the $Z$ pentomino tile a 3D box?
Aug 30, 2022
10
If you write all the whole numbers from 1 to 9999 but skip every number that contains the digit 4. How many times would you have to write the digit 1?
Oct 12, 2022
9
Is $\frac{200!}{(10!)^{20} \cdot 19!}$ an integer or not?
Aug 15, 2017
Top network posts
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124
Is this Hashi puzzle unsolvable?
56
A new way to cut a pizza
48
Is there any easy way to solve this lock puzzle?
44
Dissecting the exotic bulbfish
40
How can one solve a Rubik's cube without relying on guides/algorithms?