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 | 1 |
| 1 | 5764801 |
| 2 | 815730721 |
| 3 | 16983563041 |
| 4 | 152587890625 |
| 5 | 852891037441 |
| 6 | 3512479453921 |
| 7 | 11688200277601 |
| 8 | 33232930569601 |
| 9 | 83733937890625 |
| 10 | 191707312997281 |
| 11 | 406067677556641 |
| 12 | 806460091894081 |
| 13 | 1517108809906561 |
| 14 | 2724905250390625 |
| 15 | 4702525276151521 |
| 16 | 7837433594376961 |