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 | 81 |
| 2 | 16 |
| 3 | 4913 |
| 4 | 6480 |
| 5 | 428383 |
| 6 | 1262128 |
| 7 | 41634729 |
| 8 | 190532944 |
| 9 | 4254090231 |
| 10 | 25595530224 |
| 11 | 448363485787 |
| 12 | 3231395138192 |
| 13 | 48307812545787 |
| 14 | 393486251977776 |
| 15 | 5289839833178345 |
| 16 | 46862146728089808 |
| 17 | 586190042199419197 |