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A066490 as a simple table

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

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

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Last modified July 2 16:19 EDT 2020. Contains 335404 sequences. (Running on oeis4.)