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 | 0 |
| 1 | 1 |
| 2 | 29 |
| 3 | 842 |
| 4 | 24447 |
| 5 | 709805 |
| 6 | 20608792 |
| 7 | 598364773 |
| 8 | 17373187209 |
| 9 | 504420793834 |
| 10 | 14645576208395 |
| 11 | 425226130837289 |
| 12 | 12346203370489776 |
| 13 | 358465123875040793 |
| 14 | 10407834795746672773 |
| 15 | 302185674200528551210 |
| 16 | 8773792386611074657863 |