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 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 8 |
| 5 | 5 |
| 6 | 144 |
| 7 | 7 |
| 8 | 128 |
| 9 | 81 |
| 10 | 6400 |
| 11 | 11 |
| 12 | 248832 |
| 13 | 13 |
| 14 | 100352 |
| 15 | 91125 |
| 16 | 32768 |
| 17 | 17 |
| 18 | 429981696 |
| 19 | 19 |
| 20 | 163840000 |
| 21 | 6751269 |
| 22 | 63438848 |
| 23 | 23 |
| 24 | 247669456896 |
| 25 | 15625 |
| 26 | 1417674752 |
| 27 | 1594323 |
| 28 | 80564191232 |
| 29 | 29 |
| 30 | 25076532510720000000 |
| 31 | 31 |
| 32 | 2147483648 |