MathDB
Number Theory

Source: Central American Olympiad 2002, problem 1

December 30, 2009

Problem Statement

For what integers n≥3 n\ge 3 is it possible to accommodate, in some order, the numbers 1,2,⋯ ,n 1,2,\cdots, n in a circular form such that every number divides the sum of the next two numbers, in a clockwise direction?
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