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) |
|---|---|
| 2 | 1 |
| 3 | 2 |
| 4 | 10 |
| 5 | 92 |
| 6 | 1852 |
| 7 | 78032 |
| 8 | 6846876 |
| 9 | 1255156712 |
| 10 | 482338029046 |
| 11 | 387869817764474 |
| 12 | 652822489612455344 |
| 13 | 2300645402905295350788 |
| 14 | 16976857303773016457918252 |