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A004523 as a simple table

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

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

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Last modified August 3 07:58 EDT 2021. Contains 346435 sequences. (Running on oeis4.)