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 | 29 |
| 2 | 197 |
| 3 | 2549 |
| 4 | 48413 |
| 5 | 1597597 |
| 6 | 55915861 |
| 7 | 2012970961 |
| 8 | 86557751281 |
| 9 | 4154772061441 |
| 10 | 228512463379201 |
| 11 | 13482235339372801 |
| 12 | 835898591041113601 |
| 13 | 72723177420576883201 |
| 14 | 9381289887254417932801 |