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 | 5 |
| 4 | 83 |
| 5 | 263 |
| 6 | 5333 |
| 7 | 5333 |
| 8 | 6714497 |
| 9 | 42360737 |
| 10 | 3757699889 |
| 11 | 3757699889 |
| 12 | 1431898413161 |
| 13 | 5654774136689 |
| 14 | 12756824771254199 |
| 15 | 184574272412533499 |