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 | 3 |
| 2 | 11 |
| 3 | 878 |
| 4 | 2552 |
| 5 | 38983 |
| 6 | 167761 |
| 7 | 4407044 |
| 8 | 24988942 |
| 9 | 882646288 |
| 10 | 1385885831 |
| 11 | 83034443038 |
| 12 | 161356653161 |
| 13 | 9051164611509 |
| 14 | 24911822811942 |