Starting from 440Hz note (musical note A above middle C), create 13 notes, using twelve-tone equal temperament, in Herz units. https://en.wikipedia.org/wiki/Equal_temperament
Your output will be like [440, ... , 880] all rounded to integer.
Swap the input arguments
Get the length of a given vector
Hard limit function
Beginner's Problem - Squaring
Fractal: area and perimeter of Koch snowflake
The number of trailing zero digit of a factorial
Number of even divisors of a given number
Number of paths on a n-dimensional grid
Make a rainbow matrix (follow-up to checkerboard matrix)
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