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A146727
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
1
10
1
11
3
12
3
13
13
14
13
15
35
16
35
17
157
18
157
19
741
20
741
21
4435
22
4435
23
44453
24
44453
[1,1,1,1,1,1,1,1,1,1,3,3,13,13,35,35,157,157,741, 741,4435,4435,44453,44453]