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) |
|---|---|
| 0 | 0 |
| 1 | 101 |
| 2 | 11011 |
| 3 | 1110111 |
| 4 | 111101111 |
| 5 | 11111011111 |
| 6 | 1111110111111 |
| 7 | 111111101111111 |
| 8 | 11111111011111111 |
| 9 | 1111111110111111111 |
| 10 | 111111111101111111111 |
| 11 | 11111111111011111111111 |
| 12 | 1111111111110111111111111 |
| 13 | 111111111111101111111111111 |
| 14 | 11111111111111011111111111111 |