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A113975
as a simple table
n
a(n)
0
2
1
5
2
6
3
6
4
6
5
6
6
6
7
6
8
6
9
6
10
6
11
6
12
6
13
6
14
6
15
6
16
6
17
6
18
6
19
6
20
6
21
6
22
6
23
6
24
6
25
6
26
6
27
6
28
6
29
6
30
6
31
6
[2,5,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, 6,6,6,6,6,6,6,6]