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 | 31 |
| 2 | 961 |
| 3 | 29791 |
| 4 | 923521 |
| 5 | 28629151 |
| 6 | 887503681 |
| 7 | 27512614111 |
| 8 | 852891037441 |
| 9 | 26439622160671 |
| 10 | 819628286980801 |
| 11 | 25408476896404831 |
| 12 | 787662783788549761 |
| 13 | 24417546297445042591 |
| 14 | 756943935220796320321 |
| 15 | 23465261991844685929951 |
| 16 | 727423121747185263828481 |