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 | 6 |
| 1 | 496 |
| 2 | 33550336 |
| 3 | 137438691328 |
| 4 | 2658455991569831744654692615953842176 |
| 5 | 13164036458569648337239753460458722910223472318386943117783728128 |