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A089105
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
21
17
22
18
23
19
24
20
26
[2,3,5,6,7,10,11,12,13,14,15,17,18,19,20,21,22,23, 24,26]
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Last modified April 30 22:38 EDT 2024. Contains 372141 sequences. (Running on oeis4.)