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A004396 as a simple table

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

[0,1,1,2,3,3,4,5,5,6,7,7,8,9,9,10,11,11,12,13,13,
 14,15,15,16,17,17,18,19,19,20,21,21,22,23,23,24,
 25,25,26,27,27,28,29,29,30,31,31,32,33,33,34,35,
 35,36,37,37,38,39,39,40,41,41,42,43,43,44,45,45,
 46,47,47]

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Last modified February 24 18:55 EST 2021. Contains 341584 sequences. (Running on oeis4.)