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 | 89 |
| 3 | 2000 |
| 4 | 80282 |
| 5 | 2735828 |
| 6 | 100047288 |
| 7 | 3586575040 |
| 8 | 129699382789 |
| 9 | 4679106263313 |
| 10 | 168988854344569 |
| 11 | 6101461090647052 |
| 12 | 220326773309617717 |
| 13 | 7955866427871519329 |
| 14 | 287286109553012636665 |
| 15 | 10373859878107656627776 |
| 16 | 374599289123263236521340 |