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) |
|---|---|
| 0 | 1 |
| 1 | 27 |
| 2 | 8387 |
| 3 | 1596559 |
| 4 | 67137477 |
| 5 | 1221074483 |
| 6 | 13065520903 |
| 7 | 96951759015 |
| 8 | 550571544713 |
| 9 | 2552470327819 |
| 10 | 10137858491979 |
| 11 | 36314872538111 |
| 12 | 130291290501709 |
| 13 | 605750213184675 |
| 14 | 4731091158953615 |
| 15 | 53132088082450327 |
| 16 | 669920208810550545 |