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A023821 as a simple table

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

[0,2,3,3,6,5,6,8,8,9,11,9,10,10,12,11,12,13,13,14,
 17,15,17,17,16,18,19,17,20,17,19,21,19,19,22,20,
 20,21,22,21,23,26,26,28,29,25,29,28,27,28,29,26,
 32,31,31,32,30,31,33,33,31,31,35,33,32,30,31,32,
 36,32,35,34,33,38,37,35,38,35]

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Last modified April 23 13:11 EDT 2024. Contains 371913 sequences. (Running on oeis4.)