Return the number of edges on an n-dimensional hypercube (with an integer n ≥ 0).
Neither string operations nor interpolations are allowed!
Thanks for the nice problem! It is refreshing!
Getting the indices from a vector
Doubling elements in a vector
Duplicate a character
Min of a Matrix
Chebyshev polynomials of the 1st Kind
Hexagonal Tiling Dots in a Circle
Chebyshev polynomials of the 2nd Kind
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