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A178006 as a simple table

n a(n)
1 7
2 89
3 887
4 8887
5 88883
6 888887
7 9888889
8 88888883
9 888888887
10 9888888887
11 88988888887
12 888888888887
13 9888888888887
14 88888888888889
15 888888888888883
16 8889888888888883
17 88888888888888889
18 889888888888888883

[7,89,887,8887,88883,888887,9888889,88888883,
 888888887,9888888887,88988888887,888888888887,
 9888888888887,88888888888889,888888888888883,
 8889888888888883,88888888888888889,
 889888888888888883]

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Last modified October 3 17:49 EDT 2022. Contains 357237 sequences. (Running on oeis4.)