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A011960
as a simple table
n
a(n)
1
0
2
1
3
1
4
1
5
1
6
2
7
1
8
2
9
2
10
2
11
2
12
3
13
2
14
3
15
3
16
3
17
3
18
4
19
3
20
4
[0,1,1,1,1,2,1,2,2,2,2,3,2,3,3,3,3,4,3,4]
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Last modified September 16 09:24 EDT 2024. Contains 375965 sequences. (Running on oeis4.)