MathDB

1

Part of 2002 CentroAmerican

Problems(1)

Number Theory

Source: Central American Olympiad 2002, problem 1

12/30/2009
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?