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 | 5 |
| 4 | 8 |
| 5 | 14 |
| 6 | 50 |
| 7 | 119 |
| 8 | 200 |
| 9 | 269 |
| 10 | 299 |
| 11 | 1154 |
| 12 | 5369 |
| 13 | 47249 |
| 14 | 48299 |
| 15 | 58643 |
| 16 | 130325 |
| 17 | 148979 |
| 18 | 282074 |
| 19 | 887480 |