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A199689 as a simple table

n a(n)
0 9
1 81
2 801
3 8001
4 80001
5 800001
6 8000001
7 80000001
8 800000001
9 8000000001
10 80000000001
11 800000000001
12 8000000000001
13 80000000000001
14 800000000000001
15 8000000000000001
16 80000000000000001
17 800000000000000001
18 8000000000000000001

[9,81,801,8001,80001,800001,8000001,80000001,
 800000001,8000000001,80000000001,800000000001,
 8000000000001,80000000000001,800000000000001,
 8000000000000001,80000000000000001,
 800000000000000001,8000000000000000001]

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Last modified December 2 00:55 EST 2021. Contains 349435 sequences. (Running on oeis4.)