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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 April 24 03:00 EDT 2024. Contains 371917 sequences. (Running on oeis4.)