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 | 236 |
| 2 | 5644 |
| 3 | 391888 |
| 4 | 23370578 |
| 5 | 1519211492 |
| 6 | 99181510254 |
| 7 | 6431987350130 |
| 8 | 419623464236488 |
| 9 | 27357863689722514 |
| 10 | 1783200625332610748 |
| 11 | 116285423303246786898 |
| 12 | 7582253123955997499522 |
| 13 | 494404195464186732399198 |