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 | 16 |
| 3 | 1024 |
| 4 | 2500 |
| 5 | 5184 |
| 6 | 50625 |
| 7 | 65536 |
| 8 | 160000 |
| 9 | 331776 |
| 10 | 810000 |
| 11 | 3779136 |
| 12 | 4194304 |
| 13 | 4691556 |
| 14 | 5345344 |
| 15 | 7001316 |
| 16 | 10240000 |
| 17 | 16867449 |
| 18 | 20820969 |
| 19 | 21233664 |
| 20 | 27060804 |
| 21 | 36905625 |
| 22 | 39062500 |
| 23 | 51840000 |
| 24 | 52200625 |
| 25 | 228765625 |
| 26 | 241864704 |
| 27 | 268435456 |
| 28 | 269879184 |
| 29 | 300259584 |
| 30 | 333135504 |