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A025556 as a simple table

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

[0,1,2,3,3,4,5,6,6,7,7,8,8,8,9,10,10,11,11,11,11,
 12,12,13,13,14,14,15,15,16,17,17,17,17,17,18,18,
 18,18,19,19,20,20,20,20,21,21,22,22,22,22,23,23,
 23,23,23,23,24,24,25,25,25,26,26,26,27,27,27,27,
 28,28,29,29,29,29,29,29,30]

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Last modified April 23 19:56 EDT 2024. Contains 371916 sequences. (Running on oeis4.)