Similar problems are: https://www.mathworks.com/matlabcentral/cody/problems/42791-number-of-divisors-of-a-given-number
For n=64, wouldn't the correct answer be 6, since 64 itself is also even? If you're not counting the number itself as a divisor, then the answers above for n=14 and n=68 would be incorrect.
Distance walked 1D
Set a diagonal
Insert zeros into vector
Number of paths on a 3d grid
Number of paths on a n-dimensional grid
Equal temperament - musical notes and frequency
Fractal: area and perimeter of Koch snowflake
The last non-zero digit of a factorial
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