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) |
|---|---|
| 5 | 31 |
| 6 | 57 |
| 7 | 99 |
| 8 | 223 |
| 9 | 430 |
| 10 | 863 |
| 11 | 1695 |
| 12 | 3293 |