[tex]10^{2} = 100[/tex]
[tex] {11}^{2} = 121[/tex]
[tex] {12}^{2} = 144[/tex]
[tex] {13}^{2} = 169[/tex]
[tex] {14}^{2} = 196[/tex]
[tex] {15}^{2} = 225[/tex]
[tex] {16}^{2} = 256[/tex]
[tex] {17}^{2} = 289[/tex]
[tex] {18}^{2} = 324[/tex]
[tex] {19}^{2} = 361[/tex]
[tex] {20}^{2} = 400[/tex]
