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A108948
as a simple table
n
a(n)
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
12
9
13
10
22
11
23
12
39
13
50
14
54
15
60
16
61
17
69
18
182
19
620
20
767
21
1308
22
5129
[1,2,3,4,5,6,7,12,13,22,23,39,50,54,60,61,69,182, 620,767,1308,5129]