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 | 10 |
| 1 | 812 |
| 2 | 67402 |
| 3 | 5593538 |
| 4 | 464196268 |
| 5 | 38522696690 |
| 6 | 3196919629018 |
| 7 | 265305806511788 |
| 8 | 22017185020849402 |
| 9 | 1827161050923988562 |
| 10 | 151632350041670201260 |
| 11 | 12583657892407702716002 |