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) |
|---|---|
| 0 | 5764801 |
| 1 | 6975757441 |
| 2 | 282429536481 |
| 3 | 3512479453921 |
| 4 | 23811286661761 |
| 5 | 111429157112001 |
| 6 | 406067677556641 |
| 7 | 1235736291547681 |
| 8 | 3282116715437121 |
| 9 | 7837433594376961 |
| 10 | 17181861798319201 |
| 11 | 35114532758015841 |
| 12 | 67675234241018881 |