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 | 1280 |
| 2 | 92288 |
| 3 | 15655168 |
| 4 | 3883902528 |
| 5 | 1190923282176 |
| 6 | 417874605342336 |
| 7 | 160964588281789696 |
| 8 | 66392895625625639488 |
| 9 | 28855060316616488359936 |
| 10 | 13069047760169269024822656 |