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 | 1 |
| 2 | 5 |
| 3 | 24 |
| 4 | 243 |
| 5 | 3048 |
| 6 | 35224 |
| 7 | 374890 |
| 8 | 3766188 |
| 9 | 36537927 |
| 10 | 348892847 |
| 11 | 3315037530 |
| 12 | 31399344551 |
| 13 | 295789894509 |
| 14 | 2769886220702 |
| 15 | 25882768895688 |
| 16 | 243033400452156 |