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A006159 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 2
6 3
7 4
8 5
9 5
10 5
11 5
12 6
13 7
14 7
15 7
16 8
17 9
18 9
19 10
20 11
21 11
22 12
23 12
24 12
25 12
26 13
27 13
28 14
29 15
30 16
31 16
32 16
33 16
34 17
35 18
36 19
37 19
38 20
39 20
40 21
41 22
42 23
43 23
44 23
45 24
46 24
47 24
48 24
49 24
50 25
51 25
52 26
53 27
54 27
55 28
56 29

[1,1,1,1,2,3,4,5,5,5,5,6,7,7,7,8,9,9,10,11,11,12,
 12,12,12,13,13,14,15,16,16,16,16,17,18,19,19,20,
 20,21,22,23,23,23,24,24,24,24,24,25,25,26,27,27,
 28,29]

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Last modified August 17 17:59 EDT 2022. Contains 356189 sequences. (Running on oeis4.)