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A028758
as a simple table
n
a(n)
1
2
2
3
3
5
4
6
5
7
6
8
7
11
8
12
9
13
10
14
11
15
12
17
13
18
14
20
15
21
16
22
17
23
18
24
19
26
20
27
21
28
22
29
23
30
24
32
25
33
26
35
27
37
28
38
29
39
30
41
31
42
32
43
33
44
[2,3,5,6,7,8,11,12,13,14,15,17,18,20,21,22,23,24, 26,27,28,29,30,32,33,35,37,38,39,41,42,43,44]
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Last modified March 28 14:02 EDT 2024. Contains 371254 sequences. (Running on oeis4.)