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 | 54 |
| 2 | 2916 |
| 3 | 28081 |
| 4 | 783557 |
| 5 | 20054092 |
| 6 | 348614952 |
| 7 | 8138711727 |
| 8 | 180107729045 |
| 9 | 3670799062946 |
| 10 | 80941950903896 |
| 11 | 1744792238104043 |
| 12 | 37022171557304461 |
| 13 | 801688023085812936 |
| 14 | 17220005386273509432 |
| 15 | 368962831518287162081 |