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 | 8 |
| 2 | 161 |
| 3 | 2186 |
| 4 | 26243 |
| 5 | 295244 |
| 6 | 3188645 |
| 7 | 33480782 |
| 8 | 344373767 |
| 9 | 3486784400 |
| 10 | 34867844009 |
| 11 | 345191655698 |
| 12 | 3389154437771 |
| 13 | 33044255768276 |
| 14 | 320275094369453 |
| 15 | 3088366981419734 |
| 16 | 29648323021629455 |
| 17 | 283512088894331672 |
| 18 | 2701703435345984177 |
| 19 | 25666182635786849690 |
| 20 | 243153309181138576019 |