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A230776
as a simple table
n
a(n)
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
14
13
15
14
18
15
20
16
22
17
23
18
25
19
26
20
27
21
29
22
31
23
32
24
33
25
34
26
35
27
36
28
39
[1,2,3,4,5,6,7,8,9,10,11,14,15,18,20,22,23,25,26, 27,29,31,32,33,34,35,36,39]