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 | 19 |
| 7 | 22 |
| 8 | 109 |
| 9 | 798 |
| 10 | 1498 |
| 11 | 1519 |
| 12 | 3109 |
| 13 | 5491 |
| 14 | 13351 |
| 15 | 26983 |
| 16 | 48799 |
| 17 | 57909 |
| 18 | 98109 |