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A006158 as a simple table

n a(n)
1 1
2 1
3 1
4 2
5 3
6 4
7 4
8 4
9 5
10 6
11 6
12 7
13 8
14 8
15 8
16 8
17 9
18 10
19 10
20 11
21 12
22 13
23 13
24 14
25 15
26 16
27 16
28 16
29 16
30 16
31 16
32 16
33 17
34 18
35 18
36 19
37 20
38 21
39 21
40 22
41 23
42 24
43 25
44 25
45 26
46 27
47 28
48 29
49 29
50 29
51 29
52 29
53 30
54 31
55 32
56 32
57 32
58 32
59 32
60 32
61 32
62 32
63 32
64 32
65 33
66 34
67 34
68 35
69 36
70 37
71 37
72 38
73 39
74 40
75 41 

[1,1,1,2,3,4,4,4,5,6,6,7,8,8,8,8,9,10,10,11,12,13,
 13,14,15,16,16,16,16,16,16,16,17,18,18,19,20,21,
 21,22,23,24,25,25,26,27,28,29,29,29,29,29,30,31,
 32,32,32,32,32,32,32,32,32,32,33,34,34,35,36,37,
 37,38,39,40,41]

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Last modified April 20 00:58 EDT 2024. Contains 371798 sequences. (Running on oeis4.)