找规律:0,1,2,3,6,7,14,15,30,,,63,64,128... ...

问题描述:

找规律:0,1,2,3,6,7,14,15,30,,,63,64,128... ...
在括号里填数字.

0,1,2,3,6,7,14,15,30,,,63,64,128......