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A003986 as a simple table

n a(n)
0 0
1 1
2 1
3 2
4 1
5 2
6 3
7 3
8 3
9 3
10 4
11 3
12 2
13 3
14 4
15 5
16 5
17 3
18 3
19 5
20 5
21 6
22 5
23 6
24 3
25 6
26 5
27 6
28 7
29 7
30 7
31 7
32 7
33 7
34 7
35 7
36 8
37 7
38 6
39 7
40 4
41 7
42 6
43 7
44 8
45 9
46 9
47 7
48 7
49 5
50 5
51 7
52 7
53 9
54 9
55 10
56 9
57 10
58 7
59 6
60 5
61 6
62 7
63 10
64 9
65 10
66 11
67 11
68 11
69 11
70 7
71 7
72 7
73 7
74 11
75 11
76 11
77 11
78 12
79 11
80 10
81 11
82 12
83 7
84 6
85 7
86 12
87 11
88 10
89 11
90 12
91 13
92 13
93 11 

[0,1,1,2,1,2,3,3,3,3,4,3,2,3,4,5,5,3,3,5,5,6,5,6,
 3,6,5,6,7,7,7,7,7,7,7,7,8,7,6,7,4,7,6,7,8,9,9,7,7,
 5,5,7,7,9,9,10,9,10,7,6,5,6,7,10,9,10,11,11,11,11,
 7,7,7,7,11,11,11,11,12,11,10,11,12,7,6,7,12,11,10,
 11,12,13,13,11]

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Last modified July 21 20:15 EDT 2024. Contains 374475 sequences. (Running on oeis4.)