A Sierpinski triangle is formed by removing the center. If A0=1A_0 = 1A0=1, An=34An−1A_n = \frac{3}{4} A_{n-1}An=43An−1. What is A2A_2A2?
9/169/169/16
3/43/43/4
27/6427/6427/64
1/21/21/2