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 | 9 |
| 3 | 169 |
| 4 | 5329 |
| 5 | 251001 |
| 6 | 16410601 |
| 7 | 1416242689 |
| 8 | 155514288609 |
| 9 | 21128299481809 |
| 10 | 3474052208270281 |
| 11 | 679096541717605881 |
| 12 | 155504946117339546289 |
| 13 | 41199419449380747871369 |
| 14 | 12496348897836314700506409 |