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 | 3 |
| 3 | 5 |
| 4 | 11 |
| 5 | 31 |
| 6 | 37 |
| 7 | 47 |
| 8 | 157 |
| 9 | 571 |
| 10 | 911 |
| 11 | 1021 |
| 12 | 1487 |
| 13 | 2351 |
| 14 | 3571 |
| 15 | 24709 |
| 16 | 25463 |
| 17 | 69247 |
| 18 | 80803 |