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 | 64 |
| 2 | 9261 |
| 3 | 1440000 |
| 4 | 117534144 |
| 5 | 12968882161 |
| 6 | 1376159333484 |
| 7 | 147813083354689 |
| 8 | 15629429778886656 |
| 9 | 1668183383627274240 |
| 10 | 177524398873895731200 |
| 11 | 18903690233550713749504 |