Challenge to Math lovers and Experts

If the rows of this cone is square shaped:

4*4=16

3*3=9

2*2=4

1

16+9+4+1=30

the formula:

Step-by-step explanation:

if you mean

then it's c. 8, -7/3

but if you mean

then it is

i dont know the answer but here's a picture of a dog