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 | 390625 |
| 2 | 43046721 |
| 3 | 815730721 |
| 4 | 6975757441 |
| 5 | 37822859361 |
| 6 | 152587890625 |
| 7 | 500246412961 |
| 8 | 1406408618241 |
| 9 | 3512479453921 |
| 10 | 7984925229121 |
| 11 | 16815125390625 |
| 12 | 33232930569601 |
| 13 | 62259690411361 |
| 14 | 111429157112001 |
| 15 | 191707312997281 |
| 16 | 318644812890625 |
| 17 | 513798374428641 |