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A010407
as a simple table
n
a(n)
1
0
2
1
3
2
4
3
5
4
6
6
7
8
8
9
9
12
10
13
11
16
12
18
13
23
14
24
15
25
16
26
17
27
18
29
19
31
20
32
21
35
22
36
23
39
24
41
[0,1,2,3,4,6,8,9,12,13,16,18,23,24,25,26,27,29,31, 32,35,36,39,41]