Need a better test suite to prevent cheesy solutions like this one. :-) Some N>10 values in there would help. N>50 would be even better.
How to find the position of an element in a vector without using the find function
~~~~~~~ WAVE ~~~~~~~~~
Numbers on 7-segment
Number of paths on a 3d grid
Fractal: area and perimeter of Koch snowflake
Under the sea: Snell's law & total internal reflection
Number of paths on a n-dimensional grid
Smallest n, for n! to have m trailing zero digits
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