MathDB
coloring numbers in 6 colors, sum of any 5 of different colors to be in 6th one

Source: Tuymaada 1997 p3

April 28, 2019
combinatoricsColoringSum

Problem Statement

Is it possible to paint all natural numbers in 66 colors, for each one color to be used and the sum of any five numbers of different color to be painted in the sixth color?