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 | 3 |
| 2 | 5 |
| 3 | 7 |
| 4 | 13 |
| 5 | 41 |
| 6 | 47 |
| 7 | 83 |
| 8 | 137 |
| 9 | 151 |
| 10 | 229 |
| 11 | 317 |
| 12 | 389 |
| 13 | 1063 |
| 14 | 2371 |
| 15 | 6101 |
| 16 | 7873 |
| 17 | 13007 |
| 18 | 19603 |