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 | 4 |
| 4 | 5 |
| 5 | 7 |
| 6 | 9 |
| 7 | 10 |
| 8 | 14 |
| 9 | 22 |
| 10 | 98 |
| 11 | 127 |
| 12 | 151 |
| 13 | 158 |
| 14 | 274 |
| 15 | 377 |
| 16 | 1015 |
| 17 | 2146 |
| 18 | 8499 |
| 19 | 13885 |
| 20 | 13991 |
| 21 | 17834 |
| 22 | 18211 |
| 23 | 36271 |
| 24 | 52317 |
| 25 | 53804 |
| 26 | 104212 |
| 27 | 117059 |
| 28 | 178695 |