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 | 512 |
| 4 | 2511 |
| 5 | 4913 |
| 6 | 5832 |
| 7 | 17576 |
| 8 | 19683 |
| 9 | 24624 |
| 10 | 32144 |
| 11 | 37000 |
| 12 | 111616 |
| 13 | 382360 |
| 14 | 415000 |
| 15 | 420224 |
| 16 | 2219400 |
| 17 | 14041600 |
| 18 | 16328000 |
| 19 | 19300032 |
| 20 | 30681423 |
| 21 | 39203125 |
| 22 | 62025728 |
| 23 | 78535423 |
| 24 | 186836625 |
| 25 | 214292000 |
| 26 | 432265248 |
| 27 | 1120141312 |
| 28 | 3479669440 |
| 29 | 18529084125 |
| 30 | 25342447725 |