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) |
|---|---|
| 4 | 7 |
| 5 | 13 |
| 6 | 18 |
| 7 | 29 |
| 8 | 39 |
| 9 | 61 |
| 10 | 82 |
| 11 | 125 |