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A047742 as a simple table

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

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

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Last modified July 19 03:54 EDT 2019. Contains 325144 sequences. (Running on oeis4.)