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A020915 as a simple table

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

[1,1,2,2,3,4,4,5,6,6,7,7,8,9,9,10,11,11,12,12,13,
 14,14,15,16,16,17,18,18,19,19,20,21,21,22,23,23,
 24,24,25,26,26,27,28,28,29,30,30,31,31,32,33,33,
 34,35,35,36,36,37,38,38,39,40,40,41,42,42,43,43,
 44,45,45,46,47]

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