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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A332180 a(n) = 8*(10^(2n+1)-1)/9 - 8*10^n.

Table of values

n a(n)
0 0
1 808
2 88088
3 8880888
4 888808888
5 88888088888
6 8888880888888
7 888888808888888
8 88888888088888888
9 8888888880888888888
10 888888888808888888888
11 88888888888088888888888
12 8888888888880888888888888
13 888888888888808888888888888
14 88888888888888088888888888888
15 8888888888888880888888888888888

List of values

[0, 808, 88088, 8880888, 888808888, 88888088888, 8888880888888, 888888808888888, 88888888088888888, 8888888880888888888, 888888888808888888888, 88888888888088888888888, 8888888888880888888888888, 888888888888808888888888888, 88888888888888088888888888888, 8888888888888880888888888888888]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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