The Fibonacci numbers have been displayed already.
In the right hand column we are going to put the LUCAS numbers, these are generated with the same rule as the Fibonacci numbers but with different starting values: 2 and 1.

Click or tap here when you are ready to see the next Lucas number.
n Fn Ln
0 0 2
1 1 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19

Discovering the LUCAS numbers