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 | 6 |
2 | 33 |
3 | 222 |
4 | 4444 |
5 | 99999 |
6 | 555555 |
7 | 5555555 |
8 | 55555555 |
9 | 333333333 |