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A109628
as a simple table
n
a(n)
1
2
2
3
3
5
4
6
5
18
6
19
7
22
8
47
9
57
10
58
11
63
12
70
13
73
14
112
15
632
16
1382
17
4621
[2,3,5,6,18,19,22,47,57,58,63,70,73,112,632,1382, 4621]