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A023990 as a simple table

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

[1,1,1,2,2,1,3,3,4,4,1,2,4,3,3,5,4,4,3,4,7,4,4,5,
 7,5,4,5,5,6,6,7,7,9,7,9,11,8,9,9,9,8,6,7,7,6,6,8,
 9,8,8,9,10,7,8,9,10,11,7,8,11,11,10,12,13,13,12,
 11,14,12,11,13,14,12,12,14,14,13,14,14,15,15,13,
 14,14,11,10,13,12,13,13,12,15]

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Last modified October 15 01:40 EDT 2019. Contains 328025 sequences. (Running on oeis4.)