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 | 2 |
| 1 | 128 |
| 2 | 8192 |
| 3 | 524288 |
| 4 | 33554432 |
| 5 | 2147483648 |
| 6 | 137438953472 |
| 7 | 8796093022208 |
| 8 | 562949953421312 |
| 9 | 36028797018963968 |
| 10 | 2305843009213693952 |
| 11 | 147573952589676412928 |
| 12 | 9444732965739290427392 |
| 13 | 604462909807314587353088 |
| 14 | 38685626227668133590597632 |