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 | 4 |
| 3 | 9 |
| 4 | 64 |
| 5 | 81 |
| 6 | 784 |
| 7 | 1521 |
| 8 | 29584 |
| 9 | 34225 |
| 10 | 132496 |
| 11 | 136161 |
| 12 | 4999696 |
| 13 | 5076009 |
| 14 | 15492096 |
| 15 | 15547249 |
| 16 | 299982400 |
| 17 | 300086329 |
| 18 | 1849172004 |
| 19 | 1849430025 |