Problem H: 输出等比数列2的n次方

Problem H: 输出等比数列2的n次方

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 1598  Solved: 1257
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Description

输入正整数N（N≤20），输出等比数列2i的前N项1,2,4,8,16...每个数占一行 

Sample Input Copy 

5

Sample Output Copy 

1
2
4
8
16
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