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A163795
as a simple table
n
a(n)
1
3
2
9
3
13
4
25
5
49
6
361
7
961
8
1007
9
2029
10
8593
11
24361
12
44795
13
88713
[3,9,13,25,49,361,961,1007,2029,8593,24361,44795, 88713]