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 | 0 |
| 2 | 1 |
| 3 | 216 |
| 4 | 17576 |
| 5 | 2000376 |
| 6 | 245314376 |
| 7 | 30546884376 |
| 8 | 3815429734376 |
| 9 | 476855468984376 |
| 10 | 59605102540234376 |
| 11 | 7450592041021484376 |
| 12 | 931322860717802734376 |
| 13 | 116415328979492333984376 |