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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 7 |
| 5 | 45 |
| 6 | 54 |
| 7 | 60 |
| 8 | 99 |
| 9 | 195 |
| 10 | 271 |
| 11 | 476 |
| 12 | 1491 |
| 13 | 2713 |
| 14 | 8155 |