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 | 1257 |
| 2 | 32769 |
| 3 | 262176 |
| 4 | 262208 |
| 5 | 1081344 |
| 6 | 4198400 |
| 7 | 16777217 |
| 8 | 16809984 |