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A334083
as a simple table
n
a(n)
1
1
2
2
3
4
4
16
5
32
6
64
7
128
8
256
9
1024
10
2048
11
4096
12
8192
13
16384
[1,2,4,16,32,64,128,256,1024,2048,4096,8192,16384]