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 | 1 |
| 2 | 10 |
| 3 | 111 |
| 4 | 1110 |
| 5 | 111111111 |
| 6 | 1111111110 |
| 7 | 11111111100 |
| 8 | 111111111000 |
| 9 | 111111111111111111 |
| 10 | 1111111111111111110 |
| 11 | 11111111111111111100 |
| 12 | 111111111111111111000 |
| 13 | 111111111111111111111111111 |
| 14 | 1111111111111111111111111110 |
| 15 | 11111111111111111111111111100 |
| 16 | 111111111111111111111111111000 |