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A156643 as a simple table

n a(n)
0 0
1 0
2 1
3 0
4 1
5 1
6 1
7 1
8 2
9 0
10 2
11 2
12 1
13 2
14 3
15 0
16 3
17 2
18 2
19 3
20 2
21 1
22 3
23 2
24 1
25 4
26 3
27 2
28 5
29 3
30 2
31 5
32 4
33 2
34 3
35 4
36 2
37 5
38 4
39 1
40 5
41 3
42 3
43 4
44 4
45 1
46 6
47 4
48 3

[0,0,1,0,1,1,1,1,2,0,2,2,1,2,3,0,3,2,2,3,2,1,3,2,
 1,4,3,2,5,3,2,5,4,2,3,4,2,5,4,1,5,3,3,4,4,1,6,4,3]

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Last modified January 23 11:38 EST 2021. Contains 340385 sequences. (Running on oeis4.)