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A098776
as a simple table
n
a(n)
1
1
2
2
3
3
4
4
5
5
6
7
7
8
8
9
9
11
10
22
11
33
12
44
13
55
14
77
15
99
16
101
17
111
18
121
19
131
20
141
21
151
22
161
23
171
[1,2,3,4,5,7,8,9,11,22,33,44,55,77,99,101,111,121, 131,141,151,161,171]