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A083156
as a simple table
n
a(n)
1
19
2
11
3
91
4
11
5
163
6
37
7
91
8
1001
9
9901
10
999001
11
11
12
9091
13
99909001
14
109889011
[19,11,91,11,163,37,91,1001,9901,999001,11,9091, 99909001,109889011]