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) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 5 |
| 3 | 49 |
| 4 | 243 |
| 5 | 14641 |
| 6 | 371293 |
| 7 | 253125 |
| 8 | 410338673 |
| 9 | 16983563041 |
| 10 | 1400846643 |
| 11 | 41426511213649 |
| 12 | 95367431640625 |
| 13 | 617673396283947 |
| 14 | 10260628712958602189 |
| 15 | 756943935220796320321 |
| 16 | 7474615974418932603 |
| 17 | 827909024473876953125 |
| 18 | 456487940826035155404146917 |
| 19 | 510798409623548623605717 |