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.
n | a(n) |
---|---|
1 | 9901 |
2 | 99990001 |
3 | 999999000001 |
4 | 9999999900000001 |
5 | 39526741 |
6 | 3199044596370769 |
7 | 4458192223320340849 |
8 | 75118313082913 |
9 | 59779577156334533866654838281 |
10 | 100009999999899989999000000010001 |
11 | 2361000305507449 |
12 | 111994624258035614290513943330720125433979169 |