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 | 16 |
| 2 | 64 |
| 3 | 1024 |
| 4 | 16384 |
| 5 | 67108864 |
| 6 | 17179869184 |
| 7 | 274877906944 |
| 8 | 4611686018427387904 |
| 9 | 5316911983139663491615228241121378304 |