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 | 8 |
| 6 | 17 |
| 7 | 23 |
| 8 | 26 |
| 9 | 35 |
| 10 | 47 |
| 11 | 82 |
| 12 | 100 |
| 13 | 147 |
| 14 | 183 |
| 15 | 271 |
| 16 | 492 |
| 17 | 708 |
| 18 | 1116 |
| 19 | 1538 |
| 20 | 2491 |
| 21 | 4207 |
| 22 | 4468 |
| 23 | 8147 |