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 | 12 |
| 2 | 1 |
| 3 | 8 |
| 4 | 81 |
| 5 | 512 |
| 6 | 15625 |
| 7 | 11664 |
| 8 | 5764801 |
| 9 | 8388608 |
| 10 | 387420489 |
| 11 | 78125000 |
| 12 | 3138428376721 |
| 13 | 5159780352 |
| 14 | 3937376385699289 |
| 15 | 21703138331168 |
| 16 | 1081219482421875 |
| 17 | 144115188075855872 |
| 18 | 14063084452067724991009 |