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 | 15 |
| 4 | 22 |
| 5 | 38 |
| 6 | 44 |
| 7 | 67 |
| 8 | 84 |
| 9 | 148 |
| 10 | 154 |
| 11 | 162 |
| 12 | 186 |
| 13 | 189 |
| 14 | 227 |
| 15 | 228 |
| 16 | 275 |
| 17 | 280 |
| 18 | 285 |
| 19 | 298 |
| 20 | 349 |