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 | 1854 |
| 1 | 16687 |
| 2 | 165016 |
| 3 | 1781802 |
| 4 | 20886576 |
| 5 | 264398280 |
| 6 | 3597143040 |
| 7 | 52370755920 |
| 8 | 812752093440 |
| 9 | 13397819541120 |
| 10 | 233845982899200 |
| 11 | 4309095479673600 |
| 12 | 83609603781580800 |
| 13 | 1704092533657113600 |
| 14 | 36403110891295948800 |