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) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 8 |
| 4 | 25 |
| 5 | 66 |
| 6 | 357 |
| 7 | 1968 |
| 8 | 8073 |
| 9 | 135260 |
| 10 | 1271941 |
| 11 | 7376172 |
| 12 | 113614228 |
| 13 | 1258281038 |
| 14 | 8941092630 |