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 | 9216 |
| 2 | 1476225 |
| 3 | 51380224 |
| 4 | 791015625 |
| 5 | 7316407296 |
| 6 | 47738317081 |
| 7 | 241591910400 |
| 8 | 1007680691889 |
| 9 | 3610000000000 |
| 10 | 11438404249041 |
| 11 | 32754285674496 |
| 12 | 86161557405625 |
| 13 | 210866643477504 |
| 14 | 484962978515625 |
| 15 | 1056630674292736 |