MathDB
Colouring natural numbers using 15 colours

Source:

October 11, 2010
geometric sequencenumber theory unsolvednumber theory

Problem Statement

Decide whether it is possible to color the 19841984 natural numbers 1,2,3,⋯ ,19841, 2, 3, \cdots, 1984 using 1515 colors so that no geometric sequence of length 33 of the same color exists.
Back to ProblemsView on AoPS