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A344933
as a simple table
n
a(n)
1
0
2
1
3
2
4
3
5
4
6
5
7
6
8
8
9
9
10
11
11
12
12
15
13
17
14
21
15
24
16
25
17
29
18
34
19
36
20
37
21
39
22
46
23
51
[0,1,2,3,4,5,6,8,9,11,12,15,17,21,24,25,29,34,36, 37,39,46,51]