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 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 10 |
| 6 | 31 |
| 7 | 63 |
| 8 | 287 |
| 9 | 1099 |
| 10 | 8640 |
| 11 | 62658 |
| 12 | 1546891 |
| 13 | 29789119 |
| 14 | 2525655957 |