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 | 2 |
| 2 | 8 |
| 3 | 128 |
| 4 | 2048 |
| 5 | 8388608 |
| 6 | 2147483648 |
| 7 | 34359738368 |
| 8 | 576460752303423488 |
| 9 | 664613997892457936451903530140172288 |
| 10 | 47890485652059026823698344598447161988085597568237568 |