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 | 13 |
| 2 | 19 |
| 3 | 31 |
| 4 | 359 |
| 5 | 487 |
| 6 | 757 |
| 7 | 761 |
| 8 | 1667 |
| 9 | 2551 |
| 10 | 3167 |
| 11 | 6829 |