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) |
|---|---|
| 1 | 4 |
| 2 | 16 |
| 3 | 64 |
| 4 | 128 |
| 5 | 6912 |
| 6 | 24576 |
| 7 | 16384 |
| 8 | 786432 |
| 9 | 524288 |
| 10 | 50096498540544 |
| 11 | 3764488749034090683017723904 |
| 12 | 167633515663893895281332936606596215078912 |