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 | 91 |
| 2 | 8526 |
| 3 | 948002 |
| 4 | 127838711 |
| 5 | 20829905733 |
| 6 | 4059150905356 |
| 7 | 935210483855284 |
| 8 | 251931148208847261 |
| 9 | 78543629143430050655 |
| 10 | 28079156490294534487226 |
| 11 | 11415592075705105510977846 |
| 12 | 5238681589930616835789832051 |