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.

A171226 9+10^n+9*100^n.

Table of values

n a(n)
0 19
1 919
2 90109
3 9001009
4 900010009
5 90000100009
6 9000001000009
7 900000010000009
8 90000000100000009
9 9000000001000000009
10 900000000010000000009
11 90000000000100000000009
12 9000000000001000000000009
13 900000000000010000000000009
14 90000000000000100000000000009

List of values

[19, 919, 90109, 9001009, 900010009, 90000100009, 9000001000009, 900000010000009, 90000000100000009, 9000000001000000009, 900000000010000000009, 90000000000100000000009, 9000000000001000000000009, 900000000000010000000000009, 90000000000000100000000000009]