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 | 1243 |
| 3 | 78624 |
| 4 | 5762206 |
| 5 | 455055611 |
| 6 | 37607950277 |
| 7 | 3204942065688 |
| 8 | 279238344248553 |
| 9 | 24739954309690412 |
| 10 | 2220819602783663480 |
| 11 | 201467286691248261495 |
| 12 | 18435599767366347775141 |
| 13 | 1699246750872593033005720 |
| 14 | 157589269275974838158399968 |
| 15 | 14692398897720447639079087666 |