Solution

26321

Problem
Three neighbours Back to problem
First name
Thomas Bell
School
Hymers Collage Junior School
Country
England
Age
10

firstly all the numbers will make a number in the 3 times table eg: 1+2+3=6 and 6 is in the 3 times table and secondlyif you times the second largest number in the sequence by three you will get the the numbers in the secuence added together eg 1+2+3=6 and 2x3=6.