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 | 17 |
| 3 | 19 |
| 4 | 47 |
| 5 | 101 |
| 6 | 1709 |
| 7 | 2539 |
| 8 | 5591 |
| 9 | 6037 |
| 10 | 8011 |
| 11 | 19373 |
| 12 | 26489 |
| 13 | 27427 |