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 | 1 |
| 2 | 2 |
| 3 | 9 |
| 4 | 64 |
| 5 | 3125 |
| 6 | 1679616 |
| 7 | 96889010407 |
| 8 | 9223372036854775808 |
| 9 | 278128389443693511257285776231761 |
| 10 | 10000000000000000000000000000000000000000000000000000000 |