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A010399
as a simple table
n
a(n)
1
0
2
1
3
4
4
5
5
6
6
7
7
9
8
11
9
16
10
17
11
19
12
20
13
23
14
24
15
25
16
26
17
28
18
30
19
35
20
36
[0,1,4,5,6,7,9,11,16,17,19,20,23,24,25,26,28,30, 35,36]