Back and Forth Rows
Get the elements of diagonal and antidiagonal for any m-by-n matrix
Create a vector whose elements depend on the previous element
Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
Divisible by 5
Fractal: area and perimeter of Koch snowflake
Make a rainbow matrix (follow-up to checkerboard matrix)
The last non-zero digit of a factorial
Equal temperament - musical notes and frequency
Number of even divisors of a given number
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