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A034728
as a simple table
n
a(n)
1
1
2
9
3
18
4
18
5
27
6
34
7
43
8
52
9
63
10
69
11
81
12
89
13
99
14
106
15
113
16
117
17
126
18
134
19
147
[1,9,18,18,27,34,43,52,63,69,81,89,99,106,113,117, 126,134,147]