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A076197
as a simple table
n
a(n)
1
5
2
7
3
21
4
33
5
153
6
167
7
171
8
391
9
789
10
1323
11
2645
12
8655
13
10153
14
39967
15
45369
16
47599
[5,7,21,33,153,167,171,391,789,1323,2645,8655, 10153,39967,45369,47599]