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 ?

figure 0 \quad figure 1

figure 2

figure 3

Answer Choices
A. 10401
B. 19801
C. 20201
D. 39801
E. 40801