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A181581 as a simple table

n a(n)
0 1
1 9
2 81
3 801
4 8002
5 80001
6 800001
7 8000002
8 80000003
9 800000003
10 8000000003
11 80000000003
12 800000000002
13 8000000000003
14 80000000000004
15 0
16 0
17 0
18 800000000000000004
19 8000000000000000003
20 0
21 800000000000000000005
22 8000000000000000000006
23 0

[1,9,81,801,8002,80001,800001,8000002,80000003,
 800000003,8000000003,80000000003,800000000002,
 8000000000003,80000000000004,0,0,0,
 800000000000000004,8000000000000000003,0,
 800000000000000000005,8000000000000000000006,0]

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Last modified April 20 05:55 EDT 2024. Contains 371799 sequences. (Running on oeis4.)