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A167991 as a simple table

n a(n)
1 2
2 3
3 4
4 4
5 4
6 5
7 6
8 6
9 6
10 6
11 6
12 7
13 8
14 8
15 8
16 8
17 8
18 8
19 8
20 9
21 10
22 10
23 10
24 10
25 10
26 10
27 10
28 10
29 10
30 11
31 12
32 12
33 12
34 12
35 12
36 12
37 12
38 12
39 12
40 12
41 12
42 13
43 14
44 14
45 14
46 14
47 14
48 14
49 14
50 14
51 14
52 14
53 14
54 14
55 14
56 15
57 16
58 16
59 16
60 16
61 16
62 16
63 16
64 16
65 16
66 16
67 16
68 16
69 16
70 16
71 16
72 17
73 18
74 18
75 18
76 18 

[2,3,4,4,4,5,6,6,6,6,6,7,8,8,8,8,8,8,8,9,10,10,10,
 10,10,10,10,10,10,11,12,12,12,12,12,12,12,12,12,
 12,12,13,14,14,14,14,14,14,14,14,14,14,14,14,14,
 15,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,
 17,18,18,18,18]

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Last modified September 4 13:47 EDT 2024. Contains 375683 sequences. (Running on oeis4.)