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A249572 as a simple table

n a(n)
0 1
1 4
2 8
3 48
4 88
5 488
6 888
7 4888
8 8888
9 48888
10 88888
11 488888
12 888888
13 4888888
14 8888888
15 48888888
16 88888888
17 488888888
18 888888888
19 4888888888
20 8888888888
21 48888888888
22 88888888888
23 488888888888
24 888888888888
25 4888888888888
26 8888888888888
27 48888888888888

[1,4,8,48,88,488,888,4888,8888,48888,88888,488888,
 888888,4888888,8888888,48888888,88888888,
 488888888,888888888,4888888888,8888888888,
 48888888888,88888888888,488888888888,888888888888,
 4888888888888,8888888888888,48888888888888]

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Last modified March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)