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 | 25 |
| 2 | 729 |
| 3 | 19665 |
| 4 | 531143 |
| 5 | 14345273 |
| 6 | 387332417 |
| 7 | 10458051407 |
| 8 | 282370309597 |
| 9 | 7624012293659 |
| 10 | 205848628366997 |
| 11 | 5557913837745823 |
| 12 | 150063732111219045 |
| 13 | 4051720943493086779 |
| 14 | 109396471194812694909 |