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 | 32 |
| 2 | 8192 |
| 3 | 2305843009213693952 |
| 4 | 14474011154664524427946373126085988481658748083205070504932198000989141204992 |