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 | 1024 |
| 1 | 9765625 |
| 2 | 1073741824 |
| 3 | 25937424601 |
| 4 | 289254654976 |
| 5 | 2015993900449 |
| 6 | 10240000000000 |
| 7 | 41426511213649 |
| 8 | 141167095653376 |
| 9 | 420707233300201 |
| 10 | 1125899906842624 |
| 11 | 2758547353515625 |
| 12 | 6278211847988224 |
| 13 | 13422659310152401 |
| 14 | 27197360938418176 |
| 15 | 52599132235830049 |