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A278447
as a simple table
n
a(n)
1
2
2
4
3
3
4
3
5
8
6
4
7
4
8
12
9
5
10
5
11
16
12
6
13
4
14
6
15
10
16
10
17
7
18
7
19
24
20
8
21
8
22
13
23
13
24
9
25
8
26
9
27
32
[2,4,3,3,8,4,4,12,5,5,16,6,4,6,10,10,7,7,24,8,8, 13,13,9,8,9,32]