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 | 2047 |
| 3 | 8911 |
| 4 | 129921 |
| 5 | 381347461 |
| 6 | 333515107081 |
| 7 | 37388680793101 |
| 8 | 713808066913201 |
| 9 | 665242007427361 |
| 10 | 179042026797485691841 |
| 11 | 8915864307267517099501 |
| 12 | 331537694571170093744101 |
| 13 | 2359851544225139066759651401 |
| 14 | 17890806687914532842449765082011 |