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 | 64 |
| 3 | 432 |
| 4 | 2916 |
| 5 | 19683 |
| 6 | 50000 |
| 7 | 337500 |
| 8 | 2278125 |
| 9 | 13176688 |
| 10 | 39062500 |
| 11 | 88942644 |
| 12 | 263671875 |
| 13 | 600362847 |
| 14 | 10294287500 |
| 15 | 30517578125 |
| 16 | 69486440625 |
| 17 | 2712892291396 |
| 18 | 4564986729776 |
| 19 | 8042412109375 |
| 20 | 18312022966923 |
| 21 | 30813660425988 |
| 22 | 207992207875419 |
| 23 | 2119447102653125 |
| 24 | 3566395882637500 |