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A263540
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
1
6
17
7
25
8
37
9
265
10
5
11
93
12
2395
13
1443
14
3935
15
2757
16
5865
[1,1,1,1,1,17,25,37,265,5,93,2395,1443,3935,2757, 5865]