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 | 111 |
| 3 | 11111 |
| 4 | 1110111 |
| 5 | 111000111 |
| 6 | 11100000111 |
| 7 | 1110000000111 |
| 8 | 111000000000111 |
| 9 | 11100000000000111 |
| 10 | 1110000000000000111 |
| 11 | 111000000000000000111 |
| 12 | 11100000000000000000111 |