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 | 0 |
| 1 | 256 |
| 2 | 4096 |
| 3 | 20736 |
| 4 | 65536 |
| 5 | 160000 |
| 6 | 331776 |
| 7 | 614656 |
| 8 | 1048576 |
| 9 | 1679616 |
| 10 | 2560000 |
| 11 | 3748096 |
| 12 | 5308416 |
| 13 | 7311616 |
| 14 | 9834496 |
| 15 | 12960000 |
| 16 | 16777216 |
| 17 | 21381376 |
| 18 | 26873856 |
| 19 | 33362176 |
| 20 | 40960000 |
| 21 | 49787136 |
| 22 | 59969536 |