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 | 3 |
| 3 | 8 |
| 4 | 19 |
| 5 | 45 |
| 6 | 75 |
| 7 | 135 |
| 8 | 178 |
| 9 | 209 |
| 10 | 732 |
| 11 | 1351 |
| 12 | 1907 |
| 13 | 5469 |
| 14 | 28414 |
| 15 | 37373 |
| 16 | 404055 |
| 17 | 902497 |