Answer:
|
Frame |
1 |
2 |
3 |
4 |
5 |
6 |
20 |
|
Number of Shapes |
2 |
6 |
12 |
20 |
30 |
42 |
420 |
I found the missing numbers by multiplying the frame number by itself and then adding the frame number or (n x n) + n.