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A117727 as a simple table

n a(n)
0 1
1 3
2 8
3 18
4 38
5 88
6 188
7 388
8 888
9 1888
10 3888
11 8888
12 18888
13 38888
14 88888
15 188888
16 388888
17 888888
18 1888888
19 3888888
20 8888888
21 18888888
22 38888888
23 88888888
24 188888888
25 388888888
26 888888888
27 1888888888
28 3888888888
29 8888888888

[1,3,8,18,38,88,188,388,888,1888,3888,8888,18888,
 38888,88888,188888,388888,888888,1888888,3888888,
 8888888,18888888,38888888,88888888,188888888,
 388888888,888888888,1888888888,3888888888,
 8888888888]

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Last modified December 1 12:40 EST 2022. Contains 358468 sequences. (Running on oeis4.)