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 | 27 |
| 2 | 319804831 |
| 3 | 1410123943 |
| 4 | 3716509988199 |
| 5 | 9016346070511 |
| 6 | 1254251874774375 |
| 7 | 10709980568908647 |
| 8 | 1980976057694848447 |