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 | 5 |
| 2 | 769 |
| 3 | 3329 |
| 4 | 20485 |
| 5 | 3151361 |
| 6 | 13642241 |
| 7 | 83947525 |
| 8 | 12914276609 |
| 9 | 55905900289 |
| 10 | 344016936965 |
| 11 | 52922702392321 |
| 12 | 229102365742081 |
| 13 | 1409781323735045 |
| 14 | 216877221489454849 |
| 15 | 938861438905147649 |
| 16 | 5777283520649277445 |
| 17 | 888762800741083578881 |