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Omni-MATH / Find the minimum positive integer k such that there exists a function f from the set BbbZ of all integers to 1,2,…k with the property that f(x)≠f(y) whenever |x−y|∈5,7,12. · Discussion

Discussing Find the minimum positive integer k such that there exists a function f from the set Bbb{Z} of all integers to {1,2,…k} with the property that f(x)≠f(y) whenever |x−y|∈{5,7,12}. · Omni-MATH

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