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 | 233 |
| 2 | 10777 |
| 3 | 434721 |
| 4 | 15948080 |
| 5 | 550056273 |
| 6 | 17998651651 |
| 7 | 561578131760 |
| 8 | 16796197116664 |
| 9 | 485048305371706 |
| 10 | 13610530901931151 |