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 | 121 |
| 3 | 2187 |
| 4 | 6431296 |
| 5 | 6434856 |
| 6 | 6956883693 |
| 7 | 27027009001 |
| 8 | 34359738368 |
| 9 | 42618264157 |
| 10 | 312078649600 |
| 11 | 312079600999 |
| 12 | 328080365089 |
| 13 | 11305780833649 |
| 14 | 11305786504384 |
| 15 | 19287643015432 |
| 16 | 62854896459664 |
| 17 | 79723523012809 |