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) |
|---|---|
| 0 | 24 |
| 1 | 600 |
| 2 | 9000 |
| 3 | 105000 |
| 4 | 1050000 |
| 5 | 9450000 |
| 6 | 78750000 |
| 7 | 618750000 |
| 8 | 4640625000 |
| 9 | 33515625000 |
| 10 | 234609375000 |
| 11 | 1599609375000 |
| 12 | 10664062500000 |
| 13 | 69726562500000 |
| 14 | 448242187500000 |
| 15 | 2838867187500000 |
| 16 | 17742919921875000 |
| 17 | 109588623046875000 |