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 | 9 |
| 2 | 29 |
| 3 | 35 |
| 4 | 105 |
| 5 | 125 |
| 6 | 131 |
| 7 | 179 |
| 8 | 359 |
| 9 | 2735 |
| 10 | 28199 |
| 11 | 47349 |
| 12 | 64485 |
| 13 | 1094135 |
| 14 | 1171199 |
| 15 | 1323071 |
| 16 | 2798459 |
| 17 | 3037565 |
| 18 | 3270759 |
| 19 | 3282455 |