First 20 Numbers Squared

Front 1

1

Back 1

1

Front 2

2

Back 2

4

Front 3

3

Back 3

9

Front 4

4

Back 4

16

Front 5

5

Back 5

25

Front 6

6

Back 6

36

Front 7

7

Back 7

49

Front 8

8

Back 8

64

Front 9

9

Back 9

81

Front 10

10

Back 10

100

Front 11

11

Back 11

121

Front 12

12

Back 12

144

Front 13

13

Back 13

169

Front 14

14

Back 14

196

Front 15

15

Back 15

225

Front 16

16

Back 16

256

Front 17

17

Back 17

289

Front 18

18

Back 18

324

Front 19

19

Back 19

361

Front 20

20

Back 20

400