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A020888 as a simple table

n a(n)
0 1
1 2
2 3
3 3
4 4
5 5
6 5
7 6
8 6
9 7
10 7
11 8
12 9
13 9
14 10
15 10
16 11
17 11
18 12
19 12
20 13
21 13
22 14
23 14
24 15
25 15
26 15
27 15
28 16
29 17
30 17
31 18
32 18
33 19
34 19
35 20
36 20
37 21
38 21
39 21
40 21
41 22
42 22
43 23
44 23
45 24
46 24
47 25
48 25
49 26
50 26
51 27
52 27
53 28
54 28
55 29
56 29
57 30
58 30
59 30
60 30
61 31
62 31
63 32
64 33
65 33
66 33
67 33
68 34
69 34
70 35
71 35
72 35
73 35

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

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Last modified October 15 00:04 EDT 2019. Contains 328025 sequences. (Running on oeis4.)