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A066997 as a simple table

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

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

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Last modified April 16 00:45 EDT 2024. Contains 371696 sequences. (Running on oeis4.)