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 | 8 |
| 2 | 9 |
| 3 | 10 |
| 4 | 12 |
| 5 | 13 |
| 6 | 19 |
| 7 | 24 |
| 8 | 35 |
| 9 | 42 |
| 10 | 89 |
| 11 | 133 |
| 12 | 474 |
| 13 | 671 |
| 14 | 1267 |
| 15 | 1578 |
| 16 | 2008 |
| 17 | 2215 |
| 18 | 2294 |
| 19 | 4168 |
| 20 | 5558 |
| 21 | 6572 |
| 22 | 8566 |
| 23 | 11235 |
| 24 | 18742 |
| 25 | 35839 |
| 26 | 44264 |
| 27 | 536490 |
| 28 | 727739 |