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 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 16 |
| 5 | 25 |
| 6 | 216 |
| 7 | 2401 |
| 8 | 32768 |
| 9 | 59049 |
| 10 | 1000000 |
| 11 | 19487171 |
| 12 | 429981696 |
| 13 | 815730721 |
| 14 | 20661046784 |
| 15 | 576650390625 |
| 16 | 17592186044416 |
| 17 | 34271896307633 |
| 18 | 1156831381426176 |
| 19 | 42052983462257059 |
| 20 | 1638400000000000000 |