Return how many integer grid points there are inside a 3D sphere of radius r centred at (0,0,0) (including points on the edge).
Neither string operations nor interpolations are allowed!
Project Euler: Problem 7, Nth prime
Find best placement for ordered dominoes (harder)
Vector of numbers divisible by 3
Area of an equilateral triangle
Chebyshev polynomials of the 2nd Kind
Generalized Laguerre polynomials
Edges of a n-dimensional Hypercube
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