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 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 8 |
| 6 | 11 |
| 7 | 27 |
| 8 | 77 |
| 9 | 98 |
| 10 | 183 |
| 11 | 285 |
| 12 | 290 |
| 13 | 397 |
| 14 | 410 |
| 15 | 599 |
| 16 | 717 |
| 17 | 731 |
| 18 | 888 |
| 19 | 1962 |
| 20 | 2239 |
| 21 | 2241 |
| 22 | 2532 |
| 23 | 8799 |
| 24 | 11402 |
| 25 | 18334 |
| 26 | 20276 |
| 27 | 21028 |