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 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1024 |
| 5 | 1 |
| 6 | 60073 |
| 7 | 1 |
| 8 | 1048576 |
| 9 | 59049 |
| 10 | 9766649 |
| 11 | 1 |
| 12 | 61514752 |
| 13 | 1 |
| 14 | 282476273 |
| 15 | 9824674 |
| 16 | 1073741824 |
| 17 | 1 |
| 18 | 3547250577 |
| 19 | 1 |
| 20 | 10001048576 |
| 21 | 282534298 |
| 22 | 25937425625 |
| 23 | 1 |
| 24 | 62991106048 |
| 25 | 9765625 |
| 26 | 137858492873 |
| 27 | 3486784401 |
| 28 | 289255703552 |
| 29 | 1 |
| 30 | 586710856801 |
| 31 | 1 |
| 32 | 1099511627776 |
| 33 | 25937483650 |