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 | 4 |
| 3 | 16 |
| 4 | 36 |
| 5 | 256 |
| 6 | 144 |
| 7 | 4096 |
| 8 | 576 |
| 9 | 1296 |
| 10 | 2304 |
| 11 | 1048576 |
| 12 | 3600 |
| 13 | 16777216 |
| 14 | 36864 |
| 15 | 20736 |
| 16 | 14400 |
| 17 | 4294967296 |
| 18 | 32400 |
| 19 | 68719476736 |
| 20 | 57600 |
| 21 | 331776 |
| 22 | 9437184 |
| 23 | 17592186044416 |
| 24 | 129600 |
| 25 | 1679616 |
| 26 | 150994944 |
| 27 | 810000 |
| 28 | 921600 |
| 29 | 72057594037927936 |