A perfect number occurs whent the sum of all divisors of a positive integer, except the number itself, equals the number.
28 = 1 + 2 + 4 + 7 + 14;
so return true
10 ~= 1 + 2 + 5
so return false
The Tower of Hanoi
"Low : High - Low : High - Turn around " -- Create a subindices vector
Permute diagonal and antidiagonal
Duplicate a character
Put m balls into n boxes (again)
Return fibonacci sequence do not use loop and condition version 2
Return fibonacci sequence do not use loop and condition
Return fibonacci sequence do not use loop and condition version 3
Compute the intersect point of line and plan
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