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 | 111 |
| 2 | 1110 |
| 3 | 11100 |
| 4 | 111000 |
| 5 | 1110000 |
| 6 | 11100000 |
| 7 | 111000000 |
| 8 | 1110000000 |
| 9 | 11100000000 |
| 10 | 111000000000 |
| 11 | 111000000111 |
| 12 | 1110000000000 |
| 13 | 1110000000111 |
| 14 | 1110000001110 |
| 15 | 11100000000000 |
| 16 | 11100000000111 |
| 17 | 11100000001110 |