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A028741
as a simple table
n
a(n)
1
2
2
3
3
5
4
6
5
7
6
10
7
11
8
12
9
13
10
14
11
15
12
17
13
18
14
19
15
20
16
22
17
23
18
24
19
26
20
27
[2,3,5,6,7,10,11,12,13,14,15,17,18,19,20,22,23,24, 26,27]
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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)