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 | 97 |
| 2 | 9409 |
| 3 | 912673 |
| 4 | 48633913 |
| 5 | 2475199422 |
| 6 | 112831587094 |
| 7 | 5404382625660 |
| 8 | 256681706358532 |
| 9 | 12454322928575313 |
| 10 | 600861626029136589 |
| 11 | 29098233597048811000 |
| 12 | 1404753215113899124268 |
| 13 | 67882068723678010867189 |