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 | 216 |
| 2 | 191376 |
| 3 | 16827552 |
| 4 | 397716048 |
| 5 | 4630424400 |
| 6 | 34416349632 |
| 7 | 187486318656 |
| 8 | 814898022480 |
| 9 | 2975526941112 |
| 10 | 9486526260960 |
| 11 | 27053061396192 |
| 12 | 70486156875456 |
| 13 | 169930970535312 |
| 14 | 384163673152896 |