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A171481 as a simple table

n a(n)
0 0
1 1
2 1
3 1
4 2
5 2
6 2
7 2
8 3
9 3
10 3
11 3
12 3
13 4
14 5
15 5
16 5
17 5
18 5
19 5
20 6
21 6
22 7
23 7
24 7
25 7
26 7
27 7
28 7
29 8
30 9
31 9
32 9
33 10
34 10
35 10
36 10
37 10
38 10
39 10
40 10
41 11
42 11
43 12
44 12
45 12
46 12
47 13
48 14
49 15
50 15
51 15
52 15
53 15
54 15
55 15
56 15
57 15
58 16
59 16
60 16
61 17
62 17
63 17
64 17
65 17
66 18
67 18
68 19
69 19
70 20
71 21
72 21
73 21
74 21
75 21
76 21
77 21
78 21
79 21

[0,1,1,1,2,2,2,2,3,3,3,3,3,4,5,5,5,5,5,5,6,6,7,7,
 7,7,7,7,7,8,9,9,9,10,10,10,10,10,10,10,10,11,11,
 12,12,12,12,13,14,15,15,15,15,15,15,15,15,15,16,
 16,16,17,17,17,17,17,18,18,19,19,20,21,21,21,21,
 21,21,21,21,21]

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Last modified September 16 16:17 EDT 2021. Contains 347473 sequences. (Running on oeis4.)