AMC 10 2000 Problem 12

Figure 0,1,2, and 3 consist of 1,5,13, and 25 nonoverlapping unit squares, respectively. If the pattern were continued, how many nonoverlapping unit squares would there be in figure 100 ?

Answer Choices

A. 10401

B. 19801

C. 20201

D. 39801

E. 40801