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) |
|---|---|
| 2 | 3 |
| 3 | 79 |
| 4 | 2299 |
| 5 | 84361 |
| 6 | 3872406 |
| 7 | 216591677 |
| 8 | 14378073683 |
| 9 | 1107635176621 |
| 10 | 97229999995138 |
| 11 | 9583904327477305 |
| 12 | 1048274845801847390 |
| 13 | 126003010469828661807 |
| 14 | 16510208629407273871884 |
| 15 | 2342241434486480710216185 |
| 16 | 357676630651821282153992579 |
| 17 | 58498575553741083746904253333 |