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.

A332181 a(n) = 8*(10^(2n+1)-1)/9 - 7*10^n.

Table of values

n a(n)
0 1
1 818
2 88188
3 8881888
4 888818888
5 88888188888
6 8888881888888
7 888888818888888
8 88888888188888888
9 8888888881888888888
10 888888888818888888888
11 88888888888188888888888
12 8888888888881888888888888
13 888888888888818888888888888
14 88888888888888188888888888888
15 8888888888888881888888888888888

List of values

[1, 818, 88188, 8881888, 888818888, 88888188888, 8888881888888, 888888818888888, 88888888188888888, 8888888881888888888, 888888888818888888888, 88888888888188888888888, 8888888888881888888888888, 888888888888818888888888888, 88888888888888188888888888888, 8888888888888881888888888888888]

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

Content is available under The OEIS End-User License Agreement.