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 | 7 |
| 3 | 925 |
| 4 | 3096791 |
| 5 | 251611610655 |
| 6 | 500885416261650533 |
| 7 | 24461989414349531084868443 |
| 8 | 29358790904767905695470325002387331 |