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 | 5 |
| 2 | 9 |
| 3 | 11 |
| 4 | 16 |
| 5 | 17 |
| 6 | 18 |
| 7 | 20 |
| 8 | 30 |
| 9 | 31 |
| 10 | 41 |
| 11 | 43 |
| 12 | 54 |
| 13 | 68 |
| 14 | 69 |
| 15 | 84 |
| 16 | 135 |
| 17 | 139 |
| 18 | 174 |
| 19 | 188 |
| 20 | 191 |
| 21 | 203 |
| 22 | 207 |
| 23 | 243 |
| 24 | 301 |
| 25 | 356 |