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 | 53 |
| 3 | 11 |
| 4 | 17 |
| 5 | 317 |
| 6 | 89 |
| 7 | 1259 |
| 8 | 2543 |
| 9 | 7517 |
| 10 | 16217 |
| 11 | 15107 |
| 12 | 33119 |
| 13 | 60611 |
| 14 | 671063 |
| 15 | 2648057 |