Write a function to find the 5th root of a number.
It sounds easy, but the typical functions are not allowed (see the test suite), so you'll need to find a non-standard method to solve the problem.
Remove NaN ?
Number of 1s in a binary string
Multiply a column by a row
sum of first 'n' terms
Rumis Scorer 3
Pattern Recognition 2 - Known Unit Length, Various Array Length (including cell arrays)
Lights Out 31 - 5x4x6, x moves
Lights Out 10 - 5x5, with wrapping, 6 moves
Divisible by n, prime divisors (including powers)
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