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A173810 as a simple table

n a(n)
1 1
2 81
3 881
4 8881
5 88881
6 888881
7 8888881
8 88888881
9 888888881
10 8888888881
11 88888888881
12 888888888881
13 8888888888881
14 88888888888881
15 888888888888881
16 8888888888888881
17 88888888888888881
18 888888888888888881 

[1,81,881,8881,88881,888881,8888881,88888881,
 888888881,8888888881,88888888881,888888888881,
 8888888888881,88888888888881,888888888888881,
 8888888888888881,88888888888888881,
 888888888888888881]

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Last modified May 26 12:23 EDT 2024. Contains 372826 sequences. (Running on oeis4.)