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 | 289 |
| 3 | 34271896307633 |
| 4 | 4913 |
| 5 | 582622237229761 |
| 6 | 6975757441 |
| 7 | 7961145753492658188015880378976844387030440651052782229932477774154576998240582422097 |
| 8 | 83521 |
| 9 | 9904578032905937 |