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 | 1 |
| 1 | 288 |
| 2 | 189648 |
| 3 | 16845696 |
| 4 | 397610064 |
| 5 | 4630772160 |
| 6 | 34415914176 |
| 7 | 187485113088 |
| 8 | 814904105040 |
| 9 | 2975518758816 |
| 10 | 9486517914720 |
| 11 | 27053099888256 |
| 12 | 70486130167488 |
| 13 | 169930928938176 |
| 14 | 384163702086528 |