The challenge involves mathematics. Also consider using more specific tags: [number] [number-theory] [arithmetic] [combinatorics] [graph-theory] [geometry] [abstract-algebra].

Challenges relating to or in some way involving mathematics; that is, solving a math problem is needed to come up with a solution, or the solution is a program that solves a math problem, or the program generates math problems, etc.

This is a very vague tag, so also consider using more specific tags, such as:

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