What are the first 15 perfect sqares?

Answer 1

12 = 1
22 = 4
32 = 9
42 = 16
52 = 25
62 = 36
72 = 49
82 = 64
92 = 81
102 = 100
112 = 121
122 = 144
132 = 169
142 = 196
152= 225

So the first 15 perfect squares are 1,4,9,16,25,36,49,64,81,100,121,144,169, and 225