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 | 25 |
| 2 | 625 |
| 3 | 576 |
| 4 | 2304 |
| 5 | 6084 |
| 6 | 15376 |
| 7 | 40000 |
| 8 | 108900 |
| 9 | 304704 |
| 10 | 770884 |
| 11 | 2102500 |
| 12 | 5692996 |
| 13 | 14915044 |
| 14 | 40653376 |
| 15 | 107453956 |
| 16 | 288252484 |
| 17 | 776179600 |
| 18 | 2054990224 |
| 19 | 5544589444 |
| 20 | 14786560000 |
| 21 | 39491228176 |
| 22 | 106128699076 |
| 23 | 282653849104 |
| 24 | 758254325284 |