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A356334
as a simple table
n
a(n)
0
1
1
3
2
4
3
3
4
3
5
3
6
3
7
3
8
3
9
3
10
3
11
3
12
3
13
3
14
3
15
3
16
3
17
3
18
3
19
3
20
3
[1,3,4,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3]