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 | 165 |
| 3 | 31977 |
| 4 | 6203341 |
| 5 | 1203416145 |
| 6 | 233456528757 |
| 7 | 45289363162681 |
| 8 | 8785902997031325 |
| 9 | 1704419892060914337 |
| 10 | 330648673156820350021 |
| 11 | 64144138172531086989705 |
| 12 | 12443632156797874055652717 |
| 13 | 2414000494280615035709637361 |
| 14 | 468303652258282519053613995285 |