Solution

38627

Problem / game
Pebbles Back to problem
First name
Amelia George
School
NLCS
Country
England
Age
10
Filename
e39wkH-Pebbles Nrich.docx

First double forward then double sideways and so on

Pebbles added: 2,3,6,10,20,36,72

Pebbles Outside: 4,6,8,12,16,24,32

Squares: 1,2,4,8,16,32,64,128