In general, this solution is not valid for single digit numbers.
code won't work for 0,4,8 I just took advantage of test code :(
If input n_str = < '9', then you get Error: Subscript indices must either be real positive integers or logicals.
Return the 3n+1 sequence for n
Is this matrix orthogonal?
Basics: 'Find the eigenvalues of given matrix
Is it an Armstrong number?
Calculate area of sector
Consecutive Equation Times (of the day)
Divisible by 8
Lights Out 12 - 5x5, three stages, <7 moves
Divisible by 9
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