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 | 7 |
| 4 | 25 |
| 5 | 73 |
| 6 | 101 |
| 7 | 471 |
| 8 | 549 |
| 9 | 791 |
| 10 | 837 |
| 11 | 1199 |
| 12 | 2267 |
| 13 | 29773 |
| 14 | 38653 |
| 15 | 273317 |
| 16 | 2776203 |
| 17 | 3683335 |
| 18 | 4975111 |
| 19 | 8087437 |