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A147305
as a simple table
n
a(n)
1
5
2
11
3
17
4
23
5
35
6
47
7
49
8
125
9
343
10
361
11
625
12
2303
13
3887
14
5831
15
279841
[5,11,17,23,35,47,49,125,343,361,625,2303,3887, 5831,279841]