Exercice 2 1
3
6
10
15
21
28
36
45
---------------2eme tableau----------------
0
1
2
3
4
5
6
7
8 
Array
(
    [1] => 0
    [4] => 1
    [9] => 2
    [16] => 3
    [25] => 4
    [36] => 5
    [49] => 6
    [64] => 7
    [81] => 8
)