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 | 5 |
| 4 | 53 |
| 5 | 189 |
| 6 | 293 |
| 7 | 1107 |
| 8 | 2181 |
| 9 | 2695 |
| 10 | 2871 |
| 11 | 7667 |
| 12 | 19999 |
| 13 | 27471 |
| 14 | 44537 |
| 15 | 62323 |
| 16 | 134367 |
| 17 | 174295 |