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Omni-MATH / Determine (with proof) whether there is a subset X of the integers with the following property: for any integer n there is exactly one solution of a+2b=n with a,b∈X . · Discussion

Discussing Determine (with proof) whether there is a subset X of the integers with the following property: for any integer n there is exactly one solution of a+2b=n with a,b∈X . · Omni-MATH

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