cp's OEIS Frontend

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.

A173810 a(n) = (8*10^n - 71)/9 for n > 0.

Table of values

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
19 8888888888888888881
20 88888888888888888881
21 888888888888888888881

List of values

[1, 81, 881, 8881, 88881, 888881, 8888881, 88888881, 888888881, 8888888881, 88888888881, 888888888881, 8888888888881, 88888888888881, 888888888888881, 8888888888888881, 88888888888888881, 888888888888888881, 8888888888888888881, 88888888888888888881, 888888888888888888881]

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

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