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 | 57 |
| 2 | 368 |
| 3 | 6250 |
| 4 | 94932 |
| 5 | 48989176 |
| 6 | 1221074418 |
| 7 | 762940872982 |
| 8 | 19073488804224 |
| 9 | 11920928961514468 |
| 10 | 186264514923116214274 |
| 11 | 4656612873077421207276 |
| 12 | 72759576141834259102547082 |
| 13 | 45474735088646411895867809326 |